Vihart

""Let's say you're me and you're in math class...""

Vihart is a "recreational mathemusician" with a site and a Youtube channel. She really gained her fame when John Green discovered her as part of The Station Is Watching You, and has since gotten herself 96,072 subsribers on Youtube. As you could guess from her "job title," her videos center around math and a little music, as well as doodling.

""Maybe he also liked to escape via the window...""
 * Call Back: In The Gauss Chrismath Special.

""...Actually, never mind, I'm sick, so I'm staying home today; please pretend you're Stanislaw Ulam instead.""
 * Snake snake snake snake.
 * Snail snail snail snail.
 * Catch Phrase: As previously mentioned, "Let's say/Pretend you're me and your in math class..."
 * Subversion:

""What's that thing suddenly coming toward me very fast?""
 * Christmas Special: The Gauss Christmath Special
 * Cool Teacher: Fans want her to be theirs.
 * Nerds Are Sexy: Comments on her videos and channel have included such gems as "she sounds hot and nerdy," "are you single," "i want to make babies with you," and "my brain has an erection."
 * Shout-Out: She's done plenty.
 * You can see a boa constrictor digesting an elephant in Snakes + Graphs.

""It's actually the splash a dolphin makes as it leaves this world because it's about to be destroyed by aliens. Or maybe it's just inside out? It's obviously Cthulhu. Or upside down. I guess it's a hippogriph?""
 * Later in the same video, on a silly band: