a ralphie
A ralphie is a guy who’s nice, but doesn’t know what the hell he’s doing and will never get mad, even when you make him cry.
My uncle is a ralphie and he’ll never get mad, even if you make him cry.
My friend is a ralphie and he’s the nicest guy I know.
That guy at the park is a ralphie and he doesn’t know what he’s doing.