Freudian Trio/Western Animation

Aaahh!!! Real Monsters
 * Ickis: Main character, ability to scare by growing to tremendous size is affected by his confidence which varies greatly depending on outside influence. (Ego)
 * Krumm: Slothful, gluttenous, rife with body odour and with all the other flaws of unrestrained children. (Id)
 * Oblina: Smart, motivated and studious, often trying to get the other two to pull themselves together. Kind of like if Hermione Granger was a black and white talking candy cane. (Superego)

The Adventures of Teddy Ruxpin
 * Teddy: Leader who wants to be everyone’s friend (Ego).
 * Grubby: Bumbling comic relief who loves food (Id).
 * Gimmick: Approaching things scientifically (Superego).

Alvin and The Chipmunks:
 * Alvin: Leader (Ego)
 * Simon: Reason (Superego)
 * Theodore: Emotion (Id)

Animaniacs:

The Warner Siblings
 * Yakko (Ego)
 * Wakko (Id)
 * Dot (Superego)

The Main Grownups
 * Dr. Scratchensniff (Superego)
 * Hello, Nurse! (Ego)
 * Thaddeus Plotz (Id)

The Goodfeathers
 * Squit: Young, reasonable (Ego)
 * Pesto: Hot-headed, short-tempered (Id)
 * Bobby: Laid back, easy-going (Superego)

Aqua Teen Hunger Force
 * Master Shake: Harmful to himself & others, especially Meatwad. Mocks his roommates every chance he gets (Id).
 * Frylock: Scientific genius. Tries to maintain order (Superego).
 * Meatwad: Innocent, but takes on bad habits from Shake (Ego).

Avatar: The Last Airbender, season 2:
 * Princess Azula: the leader (Ego)
 * Mai: the somber, apathetic one (Superego)
 * Ty Lee: the perky, giggly, girly one (Id)

Also the original Gaang before they picked up Toph:
 * Sokka: Bossy, Deadpan Snarker, rigid, enjoys planning, try turn into the leader of the group noting the obvious clumsiness of Aang. (Superego)
 * Aang: Avatar or not, he is to all the effects a hiperactive, playful and mischievous kid and acts more by emotion than logic and is The Messiah to boot. In the start, also was a bit of a Cloudcuckoolander. (Id)
 * Katara : Acts more by emotion than logic, but less than Aang. (Ego, leaning to Id)

Ben 10
 * Ben Tennyson: Over-eager superhero. (Id)
 * Gwen Tennyson: Brainy, understated, occasionally snarky. (Superego)
 * Grandpa Max: Authority, knowledge, parental figure, former MIB-type. (Ego)

Ben 10 Alien Force & Ben 10 Ultimate Alien
 * Ben: As the leader, tries to do what the hero sees as right, though it may backfire. (Superego, later Ego)
 * Gwen: Smart, voice of reason, gets along with both well. (Ego, later Superego)
 * Kevin Levin: Cocky, daring, an ex-villain. (Id)

Eventually, Ben finds out that one of his forms, Alien X, takes this concept a little too literally...
 * Serena: Voice of love and compassionate. (Superego)
 * Bellicus: Voice of rage and aggression. (Id)
 * Ben: Voice of reason, "tie-breaker". (Ego)

Biker Mice From Mars:
 * Vinnie: Fun-loving party animal and wise-cracker, who acts first and apologises later. Always has a grin, even when in pain. Colour scheme: white. (Id)
 * Modo: Preaches traditional moral values and quotes the wisdom of his grandmother. Gentle-hearted giant whose anger is usually brought on by reflecting on the actions of others. Chooses to wait and plan rather than rushing in. Colour scheme: grey. (Super ego)
 * Throttle: Cool, wry, with a soft-spot and great understanding for his bros, but with a keen eye for the middle ground between them. Warm-hearted and fun-loving, but in moderation, and serious and commanding as the situation demands. He will generally hold the veto vote between the paths of action suggested by the two extremes. Colour scheme: yellow (Ego)

The Boondocks:
 * Huey: Moralizing leftist (Superego)
 * Riley: Gangster thug wannabe (Id)
 * Robert: Balance (Ego)
 * Or Ceasar as the Ego, depending on the version you're looking at.

Catscratch, Word of God even mentioned this in the Not Just Cartoons...Nicktoons book.
 * Mr. Blik: Scheming money-grubber (Id)
 * Waffle: Good natured guy in the middle (Ego)
 * Gordan: Honorable (Superego)

Danny Phantom
 * Danny Fenton/Phantom: Leader, usually caught in middle (Ego)
 * Sam Manson: Rational, levelheaded, cool and cynical (Superego)
 * Tucker Foley: Fun-loving, comic relief, always tempted by his vice (Id)

Dogtanian and The Three Muskehounds:
 * Porthos: leader and mediator (Ego)
 * Athos: hotheaded man of action and appetite (Id)
 * Aramis: refined aesthete (Superego)

Duck Dodgers
 * Ego: Mental representation of Dodger's Ego. Spy. (Ego)
 * Id: Representation of Dodger's Id. Caveman. (Id)
 * Superego: Representation of Dodger's Superego. Superman knockoff. (Superego)

Ed, Edd n Eddy: Depending on the nature of the episode, they sometimes switch roles: Rules-obsessed Edd can become the limiting Superego, while Cloudcuckoolander Ed can act as the Ego. Ironically, when this happens, it puts no-self-control Eddy in the Id position by default as he tries to reign in the extreme behavior of the other two and keep them focused on their goal (jawbreakers or money.)
 * Ed: Big, dumb, brutish, and easily swayed (Id)
 * Edd: Neat freak, The Smart Guy (Superego)
 * Eddy: Schemer, the leader, ruled by his desires (Ego)

Futurama:
 * Bender: Boozing, smoking, Jerkass robot. (Id)
 * Leela: Levelheaded, predictable Action Girl. (Superego)
 * Fry: The Unfazed Everyman. (Ego)

Gargoyles loves to mess around with this: The "Trio"
 * Broadway (Id)
 * Lexington (Ego, leading to Superego)
 * Brooklyn (Superego)

G.I. Joe The Cobra ruling triumvirate:
 * Cobra Commander: Likes everything his way, he makes fun of his captives and is eager to use the latest weapon just for fun. (id)
 * Destro: Tries to keep a sort of order among Cobra and chastises the Commander's more eccentric plans. (Superego)
 * Baroness: Her loyalty is divided between her Commander and her beloved Destro and mediates between both. (ego)

The Grim Adventures of Billy and Mandy
 * Grim: More or less trying to survive being stuck with two insufferable children (Ego).
 * Billy: Stupid and impulsive (Id).
 * Mandy: Intelligent and deadpan (Superego).

Home On the Range
 * Maggie is in the middle (Ego)
 * Mrs. Calloway is the stern, proper one (Superego)
 * Gracie is the ditzy fun lover (Id)

I Am Weasel
 * IM Weasel: The cool, rational one (Superego)
 * IR Baboon: The reckless one (Id)
 * Red Guy (Ego, sometimes Id)

Jackie Chan Adventures
 * Jackie: Ego
 * Jade: Id
 * Uncle: Superego

The Dark Hand Enforcers:
 * Finn: Id
 * Ratso: Superego
 * Chow: Ego

Jimmy Two-Shoes
 * Jimmy: Fun-loving, optimistic, often tries to make peace between Beezy and Heloise; but can think before he acts, often oblivious to faults of others. (Ego, with some Id and Superego qualities)
 * Beezy: Lazy, a glutton, and doesn't follow his father's steps. (Id)
 * Heloise: Intelligent, only calm around Jimmy and looks out for him due to her crush, but is easily angered, sadistic, and tries hard to be nice (Superego with some Id and Ego qualities)

Jimmy Neutron
 * Jimmy: Intelligent, stubborn. (Superego)
 * Sheen: Immature, stubborn, crazy. (Id)
 * Carl: Timid, reasonable, and reluctant. (Somewhere between Id and Ego)

Johnny Test
 * Johnny: Id
 * Dukey: Superego
 * Susan & Mary: Ego

Josie and The Pussycats first tier
 * Josie: Team leader who takes into consideration both Valerie's reasoning and Melody's intuition (Ego).
 * Valerie: Conscientious and intelligent (Superego).
 * Melody: The Ditz but highly intuitive (Id).

Josie and The Pussycats second tier
 * Josie: Team leader who mediates between Alexandria and Alexander (Ego).
 * Alexander: Comically thrifty and structured (Superego).
 * Alexandria: the Alpha Bitch whose favorite target of insult is Melody (but Melody never notices or cares) (Id).

Jumanji
 * Peter: immature, often in trouble for it (Id).
 * Judy: smart "Brain Queen", tries to control Peter (Superego).
 * Alan: mediates between them to stay on the survival track (Ego).

Justice League
 * Superman:(Id) Going after Darkseid to kill him in Twilight and letting Luthor mess with his head in season 4.
 * Wonder Woman:(Ego) Passionate but reasonable.
 * Batman(Superego):Keeping a cooler head than the other two and figuring out Project Cadmus was plotting against them in season 4.

The Legend of Korra:
 * Korra: A brash and impulsive Destructive Savior who likes to pick fights and often acts before she thinks things through. (Id)
 * Mako: A serious Control Freak who keeps his life in strict order and focuses intensely on his goals, out of fear of being turned back out on the streets. (Superego)
 * Bolin: A laid-back charmer who loves a good time and good laughs, but isn't afraid of hard work. (Ego)

The Marvelous Misadventures of Flapjack
 * Flapjack: Adventurous keet. (Id)
 * K'nuckles: Older anti-role model. (Ego tending towards Id)
 * Bubbie: Sensible team mom. (Superego)

Max Steel, the three main female characters
 * Rachel Leeds: Straight-laced rule follower. (Superego)
 * Kat Ryan: Impulsive, snarky, speaks her mind. (Id)
 * Laura Chen: The normal one of the three, typical Girl Next Door. (Ego)
 * Max/Josh himself tends to vary between Ego and Id: if he's partnered with Rachel he's more Ego; if he's partnered with Kat he's more Id.

Megas XLR:
 * Coop - Impulsive Genius Ditz, usually the one to get them in trouble. Id.
 * Kiva - Always trying to hold Coop back from his id-riffic rampages. Superego.
 * Jamie - A fairly normal guy (if unambitious), although he isn't completely immune to flights of fancy. At the very least, he sometimes tries to talk Coop out of his more dangerous exploits, in favor of going to look for the Planet Of Hot Amazon Women. Ego.

Monsters vs. Aliens
 * Dr. Cockroach: Superego
 * Missing Link: Ego
 * B.O.B.: Id

Mucha Lucha:
 * Rikochet: Brave, ambitious, values friendship and honour. (Ego)
 * Buena Girl: Smart, uptight, feels a necessity to follow the rules with no exception. (Superego)
 * The Flea: Often selfish, two-faced and egocentric. (Id)

My Little Pony Friendship Is Magic: There are six mane characters, so there are two for each role:
 * Twilight Sparkle: Intellectual, driven, conscientious, principled, and dutiful, but also obsessive compulsive, and at least initially cold and impersonal. (Superego)
 * Rarity: Driven, ambitious, orderly, meticulous, and also can be obsessive-compulsive. (Also superego)
 * Applejack: Responsible and sensible. (Ego)
 * Fluttershy: Also generally responsible, and tries to mediate conflict within the group, and in general. (Also ego)
 * Rainbow Dash: Brash, arrogant, voluble, but also lazy and prone to selfishness. (Id)
 * Pinkie Pie: Chaos incarnate. (Also id)

The New Batman Adventures: Two-Face gains a third personality making him a one-man Freudian Trio:
 * Harvey Dent: normal personality that is timid and easily bossed around (ego)
 * "Big Bad Harv": violent criminal made from years of repressed anger (id)
 * The Judge: violent vigilante obsessed with justice (with a court-theme to match) that ultimately plans to kill his bad side (i.e. 'himself''), probably created by guilt from normal side (superego)

The Powerpuff Girls:
 * Blossom: "commander and the leader" (Superego)
 * Bubbles: "the joy and the laughter" (Ego)
 * Buttercup: "the toughest fighter" (Id)

The Problem Solverz:
 * Roba: "Oh hi!" (Superego)
 * Alfe: "AAAHHH I BURNED MY TASTEBUDS" (Id)
 * Horace: "And I'm Horace. You've known me the longest." (Ego)

The Raccoons:
 * Bert: Fun-loving and flighty (Id)
 * Ralph: Responsible and logical (Superego)
 * Melissa: Balance, common sense (Ego)

The Real Adventures of Jonny Quest:
 * Jonny: Fun-loving, impulsive, reckless, emotion-driven (Id)
 * Hadji: Responsible, mature, logical, is into science and tech (Superego)
 * Jessie: Also emotional and fun-loving, yet rational, likes science and is more mature than Jonny (Ego)

Rex the Runt:
 * Rex: The protagonist, who must deal with his own needs and strange pressing situations (Ego)
 * Wendy: The voice of reason, but got suckered into a high-profile cult one time (Superego)
 * Bad Bob: Has an eyepatch and a very large gun (Id)

Rocko's Modern Life:
 * Rocko: Mature and common sense (Ego)
 * Heffer: Food-loving and reckless (Id)
 * Filbert: Responsible and logical (Superego)

The Simpsons:
 * Bart/Homer: Id
 * Lisa/Marge: Superego
 * Maggie: Ego (Although there isn't much to go by)

Sym-Bionic Titan:
 * Lance: Id
 * Illana: Superego
 * Octus: Ego

SpongeBob SquarePants
 * Sponge Bob Square Pants: Ego
 * Patrick Star: Id
 * Squidward Tenteclas: Superego

Thomas the Tank Engine:
 * The tank engines:
 * Percy: Youthful and mischievous (Id).
 * Thomas: Sometimes mischievous, but more mature than Percy (Ego).
 * Toby: Mature, wise, well behaved (Superego).
 * The tender engines:
 * James: Headstrong, temperamental and arrogant (Id).
 * Henry: Warm-hearted, reasonably well behaved (Ego).
 * Gordon: Stern, uncompromising, clashes with James (Superego).

Time Squad
 * Buck Tuddrussel (id)
 * Larry 3000 (superego)
 * Otto (ego)
 * Lampshaded by Sigmund Freud himself!

Totally Spies
 * Sam (superego); intellectual, calculating, level-headed
 * Clover (id); shopaholic, boy-crazy, short-tempered,
 * Alex (ego); the most normal and plain of the three

Transformers Animated -- Blitzwing is the power trio.
 * Icy (superego) - calm, collected, rational
 * Hothead (id) - aggressive, uncontrolled, passionate
 * Random (ego) - creative, flexible, moderates between the first two

Also the three Academy Bots:
 * Sentinel Prime - impulsive, arrogant, self-centered Jerkass
 * Optimus Prime - Strict, responsible, plays by the rules, quarrels with Sentinel
 * Elita One (Before she became Blackarachnia and allied with the Decepticons) - Sweet, curious, mediates between Optimus and Sentinel

Transformers Cybertron had a few: Autobots:
 * Optimus Prime
 * Vector Prime - The Obi-Wan, Cool Old Guy, and Ancient Keeper
 * Jetfire, Landmine, Red Alert, or Override filled the third slot depending on the episode

Humans:
 * Coby
 * Lori
 * Bud

Decepticons:
 * Megatron
 * Starscream (later replaced by Scourge after a successful betrayal)
 * Thundercracker - Dumb hick who can still cause damage.

Transformers Armada had three sets:
 * Optimus Prime (Benevolent Boss) - Ego
 * Red Alert (The Medic with Spockish tendencies) - Superego
 * Hot Shot (Kid Appeal Character) - Id

The bad guys too:
 * Demolishor (Dim, but relatively sane) - Ego
 * Starscream (Something of a Noble Demon) - Superego, with Id tendencies
 * Cyclonus (Somewhat Axe Crazy) - Id

And though nobody likes to acknowledge them....
 * Rad - Ego
 * Alexis - Superego
 * Carlos- Id

Beast Wars -- The three Maximals in charge.
 * Optimus (Ego) - Level-headed and flexible, but can lose his temper and be aggressive.
 * Rhinox (Superego) - Logical, rational, calm and quiet.
 * Rattrap (Id) - Hot-headed, self-indulgent and insulting.

The Transformers -- The Decepticon top brass.
 * War Dawn
 * Megatron
 * Soundwave
 * Shockwave
 * Pre-movie
 * Megatron
 * Starscream - Commander Contrarian
 * Soundwave
 * From Transformers the Movie on:
 * Galvatron (id)
 * Cyclonus (superego)
 * Scourge (ego)

Transformers Prime has several examples.
 * The Autobots:
 * Optimus (Superego) - Generally The most logical and level-headed of the group.
 * Ratchet (Ego) - Smart, but also pessimistic and neurotic.
 * Arcee (Ego/ Id) - Somewhat hotheaded but nonetheless capable.
 * Bulkhead/Bumblebee (Id) - The Big Guy and The Chick, respectively.
 * The humans:
 * Jack - Ego
 * Miko - Id
 * Raf - Superego
 * The Decepticons have two such trios.
 * Megatron, tyrannical but calculating - Ego
 * Starscream, emotive, cowardly and prone to carrying the Villain Ball - Id
 * Soundwave, cold, calculating, and utterly expressionless - Superego
 * Soundwave, cold, calculating, and utterly expressionless - Superego


 * Tutenstein
 * Ego: Chloe
 * Id: Tut
 * Superego: Luxor

Wild West Cowboys of Moo Mesa:
 * The Cowlarado Kid: Impulsive, lively, ruled by his heart and sexual urges, often prone to wild leaps of fancy. (Id)
 * Dacowta: Slow and steady, extremely level-headed and serious traditionalist. (superego)
 * Marshall Moo Montana: Warm-hearted and fun-loving, but in moderation, and serious and commanding as the situation demands. Fulfills the Captain Kirk role. (Ego)
 * Interestingly, this trio adopts a colour scheme for each character: yellow for the neutral Marshall, cool grey for Dacowta, and warm cream for Cowlarado. This scheme is revisited in Biker Mice From Mars...

Winx Club The Trix
 * Icy: The leader. She tries to unite the other two towards their current motive. (ego)
 * Darcy: Usually the calmest and most collected of the three. (superego)
 * Stormy: The most impulsive and violent. (id)

X-Men Evolution:

Male teens:
 * Scott Summers aka Cyclops: Superego
 * Kurt Wagner aka Nightcrawler: Ego
 * Evan Daniels aka Spyke: Id

Female teens:
 * Jean Grey: Ego
 * Kitty Pryde aka Shadowcat: Id
 * Rogue: Superego

Xavier Institute adults:
 * Professor Xavier: Ego
 * Wolverine: Id
 * Storm: Superego