In an episode of the animated TV series "South Park" entitled "AWESOM-O," Cartman disguises himself as a robot to learn Butters's secrets.

Butters believes the robot is his new best friend and sings a song obviously inspired by Harry Nilsson's "Best Friend:"

 

Hey there, have you heard about my robot friend?
He's metal and small and doesn't judge me at all.
He's a cyber-wired bundle of joy ...