James Gunn's Suicide Squad film finds its Polka-Dot Man and Ratcatcher

Ant-Man's David Dastmalchian will be playing Polka-Dot Man, a Batman villain who is embarrassed of his ability to grow multi-colored polka dots on his body that he can turn into fireballs and other weapons. Newcomer Daniela Melchior will play Ratcatcher, a gender-swapped version of the Batman villain who can communicate with and control rats. She will have a connection to Idris Elba's character.

Source: Polka-Dot Man, Ratcatcher