"Foster's Home for Imaginary Friends" included Bloo and what best friend?

Even though Mac's mom tried to make him get rid of his imaginary friend, Bloo, the two remained best friends after Mac finds an orphanage that houses abandoned imaginary friends. Mac and Bloo's adventures with other imaginary friends is chronicled in each episode.

Asked by Jennifer Sinclair · Last updated 5 years ago · 26.2K views · SOURCE