Royal Flush Gang

The Royal Flush Gang is a group of villains is DC comics who base their costumes and names off of playing cards. They have fought the Justice League, as well as individual members such as Batman. In the comics, they were formed together by Amos Fortune.

The members are:

Clubs - Ace of Clubs, Jack of Clubs, Queen of Clubs, King of Clubs, and Ten of Clubs.

Spades - Ace of Spades, Jack of Spades, Queen of Spades, King of Spades, and Ten of Spades.

Diamonds - Ace of Diamonds, Jack of Diamonds, Queen of Diamonds, King of Diamonds, and Ten of Diamonds.

Hearts - Ace of Hearts, Jack of Hearts, Queen of Hearts, King of Hearts, and Ten of Hearts.