The Boo Sisters are minor antagonists of Tiny Toons, and three of the first antagonists of Tiny Toon Adventures: How I Spent My Vacation. They are alligators that all have a crush on Buster. Big Boo, Sissy Boo, and Little Boo are voiced by the same voice actresses who voiced Babs Bunny, Shirley McLoon and Fifi La Fume, respectively. They appear to have only a father named Big Daddy Boo. They all want to marry Buster, so their father intends to wed him to all three of them.