supervillain
Example:
Billy: "Mom, can Metal Face come over for dinner?"
Mom: "Is he that little redhead from school?"
Billy: "No Mom, it's the supervillain janitor Mr. Doom. He killed a werewolf that attacked Randy Yavanian at recess. Mr. Doom sure is swell!"
Mom: "Well...ok."
Billy: "Mom, can Metal Face come over for dinner?"
Mom: "Is he that little redhead from school?"
Billy: "No Mom, it's the supervillain janitor Mr. Doom. He killed a werewolf that attacked Randy Yavanian at recess. Mr. Doom sure is swell!"
Mom: "Well...ok."