The Mask's friends and family

The Mask and Grifter have teamed up once in awhile.

The Joker first meet the Mask when his henchman Snuck robbed a museum, taking "The Mask" out of it's display. The alarms went off. The Joker wasn't too happy about that. Joker took the mask out of Snuck's hands and shoved the mask into Snuck's face. The mask engulfed Snuck's face and Snuck became the Mask. After watching the Mask kill a few cops Joker loved the Mask. he tricked Snuck of taking off the mask. Once Snuck did Joker killed him and and threw him out the window. But batman stopped Snuck's fall. batman anger because of the dead man went into the museum to fight the Joker who just put the mask on. The two fought, Batman's attacks did nothing to Joker, Joker defeated Batman.