From their irresponsible elders, of course! Readers of Padre Mickey's Dance Party will immediately recognize Miss Bebé, the World's Most Beautiful Granchile™. She is being given vuvuzela instructions by an unrelated irresponsible adult who looks like a fatter, pinker, far less talented version of Dizzy Gillespie.
Just how irresponsible is this individual? Glad you asked, hypothetical question asker.
He is so irresponsible that other roller derby fans noticed.