Truly the height of modern aviation.

The Joker is a clownish figure who chases people and sings songs about Batman.

Fiction

Live-action film series

Sam Witwicky's first impression of Que's grapple gloves was that they'd be perfect if he was trying to escape from the Joker. Dark of the Moon (novel)

Commercial appearances

Voice actor: Mark Hamill (archive footage)

Joker laughed at something. Mission: Impossibly Awesome Marathon

As a group of carolers including Bulkhead and Megatron sang Jingle Bells, the Joker hijacked the song with a verse about Batman while blasting off on a Christmas tree. The Hub Carolers (Second spot)