Twist has a bit of a nerdy personality but is very generous and supportive of her classmate Apple Bloom. She also shows several stereotypically nerdy traits, such as a curly red mane and tail, pale coat, large glasses, and a nasal speech impediment (she has a hard time pronouncing W's and S's).
Twilight, I can't help it! Someone needs to help Twitterponies Wiki by adding more information.
Some of this page is derived from the Friendship is Magic Wiki.The original article is at Twist.