The Itsy Bitsy Spider is Bo and Revi's favorite song. They call it "Itsy Bitsy" so it was kind of a no-brainer when ordering their costumes.
"Do you guys want to be Itsy & Bitsy, Spiders for Halloween this year?"
andnotkillingthemassoonasyouseeone. After all, spiders are the superheroes of the insect/arachnid set.)