Shop Spirit Halloween for boys’ animal costumes that are sure to be a hit at any party! Whether you want to hop, swim or waddle, these creature costumes are totally fun. Our boys’ animal Halloween costumes range from an inflatable Yeti or chicken to a sloth, squirrel, penguin or more. Make everyone laugh when you look like you belong at the rodeo in a ride on bull costume, or make everyone afraid of getting near you in a shark union suit. From real animals to pop culture beasts like Godzilla, these boys costumes will make him and his friends smile. They’re part of our wide selection of Halloween costumes for every member of the family.