Grand Unifying Guesses

A place to gather together the theories that involve crossovers from multiple fandoms all at once, or that would frequently repeat on other WMG pages across the wiki (such as the infamous "Character X is Haruhi Suzumiya").

The Time Lords page has moved. Click the link to see it.

See also Grand Unified Timeline.

Based around a specific series

 * A Series of Unfortunate Events
 * Assassin's Creed
 * Avatar: The Last Airbender
 * Bioshock
 * Bleach
 * Book of Amber
 * The Dark Tower
 * Death Note
 * Disney Animated Canon
 * Dollhouse
 * G.I. Joe
 * Girl Genius
 * Half-Life
 * Cartoon Network timeline
 * Haruhi Suzumiya
 * Heroes
 * H. P. Lovecraft
 * Indiana Jones
 * IWBHWiverse
 * Mass Effect
 * Percy Jackson
 * Puella Magi Madoka Magica
 * Marvel Universe
 * Neon Genesis Evangelion
 * Nintendo
 * Pokemon
 * Robin Hobb
 * Robin Williams
 * Sonic the Hedgehog
 * SCP Foundation
 * Tengen Toppa Gurren Lagann
 * Warehouse 13
 * Terminator
 * Torchwood
 * Transformers
 * The Venture Brothers
 * The West Wing
 * The World Ends With You
 * The World Of Darkness

Pan-fandom

 * The Actor Rule
 * Book of Lore
 * Captain Jack
 * Chaos
 * Computer Simulations
 * The Conspiracy
 * Cyberspace
 * Dark World
 * Drinking Buddies
 * Eternal Champions
 * Eyes Always Shut
 * Gene Carriers
 * God
 * Hell
 * Jesus
 * Monster Hunters' Union
 * Morphing Grid Users
 * New Age of Enlightenment of Mankind
 * Purgatory
 * Same Programming Team
 * Twins/Reicarnations
 * Unkillable
 * Miscellaneous

...and, the TV Tropes hivemind is CRAZY!!!
Yes.

Eventually all these theories will come true, and cause the end of the world as we know it.
Luckily there will be a few Genre Savvy tropers here to deal with the Apocalypse.