Katelyn McBoris

Katelyn Natalie McBoris (born August 7, 1999), also known as Boo, is an American actress and comedian. McBoris played Mariana Welling in the comedy TV series Hole in the Ozone from 2011 to 2015. McBoris' nickname is inspired by the character from the 2001 Disney and Pixar film Monsters, Inc..