A man, or woman who closely resembles Krang (Evil Overlord from 1990s children's TV show Teenage Mutant Ninja Turtles) in both physical appearance and behaviour.
An overbearing individual with a sense of overwhelming self-preservation who manipulates others to his bidding. Also has a relentless desire for turtle soup
That guy over there he is such a "Beanton"
Don't be a "Beanton", leave those turtles alone.