Professor Pyg

Professor Pyg is a supervillain who appears in comic books published by DC Comics. Pyg was created by Grant Morrison and Andy Kubert. Professor Pyg was re-introduced following DC's The New 52 comics relaunch in 2011.
The character's in-world real name is Lazlo Valentin, a scientist who suffered a schizophrenic breakdown that led him to become a supervillain who wears a pig mask.