Real Name: Earl Everett

Current Group Affiliation: None

Former Group Affiliation: None

1st Appearance: MYSTIC COMICS(v.1)#2 (1940)

Known Superhuman Powers: None...Master Mind Excello uses various gadgets such as the Triple-Propellor Pistol, the acidic chemical SF44, Vacu-Pads that allow him to scale walls, and explosive liquids.

Other Aliases: None