R

R is a character who first appears in the Alphabet Attack episode "Climbing Up the Top".

"Climbing Up the Top"
B tells R why she keeps getting exposed to S's light, due to R being S's roommate, later, O, W, and N come next to R, later, R finds S and they talk to each other until the letters get arranged, she and the other 25 letters compete in a game where they push off each other off an iceberg, causing everyone to die except for P and Q, who pick the teams, R joins Q's team (The Quiet Quieters) and loses due to P winning.

"The Cold Wave"
she got no votes, however, she wins as V builds a proper snowman.

"Terrible Math Questions"
R's team is UFE after getting a wrong answer on her notebook.

"A Christmas Special"
She opens up a present and her team wins.

Description
R is a black Latin small letter R.

R is a nice and sweet girl who likes to sleep with S, however, she doesn't get a lot a sleep due to S's bright appearance, however, S has a switch on her back to turn off her light, making R sleep better, due to this, she is really tired.

R is based off of an Algodoo comics character of the same name.

Trivia

 * R is the only letter who's flag has no meaning.