watch 03:27 Wiki Targeted (Entertainment) Do you like this video? Play Sound "Buster's half-siblings (Bitzi's Beau)" is not an official name. When Buster (incorrectly) suspected that his mother was dating Mr. Ratburn, he worried that they would have additional children. Two boys and a girl appeared in his imagination. "Bitzi's Beau" Retrieved from "https://arthur.fandom.com/wiki/Buster%27s_half-siblings_(Bitzi%27s_Beau)?oldid=456749" Categories: Pages With Unofficial Names Babies Characters Male Female Imaginary characters Rabbits Ratburn family Baxter family Rodents Community content is available under CC-BY-SA unless otherwise noted.