Plasmo

Plasmo (aka Plasmo the Mystic) is a friend of who knows his secret identity. He is often seen teaming up with Radioactive Man, although he does also star in his own comic series.

History
Plasmo teamed up with the Superior Squad to take down Hypno Head. After, he helped with the cleanup. When a nuclear reactor was going to fall on Lure Lass and Purple Heart, he used his powers to stop it and put it down gently.

Behind the Laughter
In the comic story Lo, There Shall Come... A Bartman!! Plasmo's appearance is closer to that of a stereotypical hypnotist, such as Mesmerino.