Kirsten "Kurst the Worst" Kurst is a character in recess. She is voiced by Mayim Bialik.
She is portrayed as the worst kid in the school. She is commonly found stealing food from the cafeteria. It is stated that she can eat more than even Mikey. In the episode "Soccer Boy", she made a cameo as a football player, where she was seen jumping on Mikey, tackling him. She is fat, wears a red shirt with a yellow star on it that doesn't cover her belly button, blue shorts, red and white sneakers and has red hair. In "Lawson and his Crew", she performed a ballet dance with Randall Weems similar to Mikey and Spinelli in the episode "Dance Lessons".
She is friends with Mikey in the episode "Kurst the Not So Bad". Mikey has a bonding with Kurst. She has very curly orange hair and wears a red shirt with a star on it that is too small for her. She is overweight and short. She is a bully and lots of people don't like her.
She is aggressive and doesn't care about anything but food. Her quote in the episode "Kurst the Not So Bad" is "...had it coming."