He is a German supervillain and an enemy of the Teen Titans who possesses a protoplasmic touch and was formerly a miner before General Zahl rescued him from a cave and later mutated him.
[1] Dee Bradley Baker and Yuri Lowenthal voice reimagined versions of Plasmus in Teen Titans and Young Justice.
Plasmus is later recruited into Lex Luthor's Suicide Squad before being killed in battle with Imperiex.
In Salvation Run, Lex Luthor uses Plasmus as a power source for a teleportation device, which self-destructs and kills him.
[5] In The New 52, Plasmus appears as one of several villains who seek to take Blue Beetle's scarab for the Brotherhood of Evil.