A Johnny derp fan
A person who thinks Johnny Depp is the only human who ever existed and will fight you with a toothbrush if you say otherwise
'You're just jealous because he's perfect and you're not!', said by someone who thinks a toothbrush is a weapon of war.
'I saw him in a movie once! That's more than you ever will!', said by someone who can't even remember the plot of the movie.
'He's the best! You're just a sad, lonely person!', said by someone who's never left their house.