watch 01:51 The Loop (TV) Do you like this video? Valerie Frizzle is a school teacher in The Magic School Bus. History In Otto's dream, Frizzle drove her magic school bus into his ear. Otto then took them out and stamped on the bus and the kids inside when they were running away. Appearances Episode – "Bull-E" Retrieved from "https://simpsons.fandom.com/wiki/Valerie_Frizzle?oldid=876782" Categories: Female characters Fictional Characters Crossover characters Community content is available under CC-BY-SA unless otherwise noted.