Swamp Thing

A cosplayer dressed up as Swamp Thing.

Swamp Thing is a fictional character and superhero from the Justice League comics. The character first appeared in issue #92 of House of Secrets in July 1971. The Swamp Thing is a humanoid creature that can control plants. It can regrow itself.

The Swamp Thing was played by Derek Mears with Andy Bean playing Alec Holland in the television series Swamp Thing (2019). Another live-action movie, titled Swamp Thing, is in development as part of the DC Universe (DCU). IGN ranked him 28th in the Top 100 Comic Book Heroes list.