Appearance:

Oh come on you knew this was coming.
Name: Man Ray. Typically addressed by his full name.
Age: Somewhere between 60 to 80 years old but still seems to act like he's 30, and is healthy enough to hold a job on his own.
Gender: Male
Species: "an anthropomorphized Manta Ray" (That was taken directly from the spongebob wiki)
Specialties: Stealing, ability to still live after taking head off, and shooting destructive lasers from his hands.
Weapons/Skills:
Charming to an extent
Firing lasers from his palms
Convincing others to be 'evil' with him or at least mischievous
Favorite Games/Shows:
My Little Pony
Cold Case
Hannibal
Background: An arch enemy of Mermaid man until he and his side kick Barnacle boy were put in a nursing home, Man Ray has been retired for a few years of his evil deeds ever since some twerps that figured out his weakness proved stronger than him. Still spry for his age and never really showing it, he has managed to get a job recently restocking the shelves at the local grocery store, occasionally getting into mischief with old arch-nemesis's like him.
"What's this roleplay about?": Superheroes. Destroying earth. We gotta stop that shit. Mmmhm.