B1FF
A fake online guy who posted dumb stuff in the 80s to make everyone laugh. He used bad grammar, made everything all caps, and talked like a screaming toddler.
BIFF: "NOOOOOOB! U R STUPID 4GET 2 CLOSE UR EYES WHEN U SLEEP!" (in a DM to his mom)
BIFF: "I HATE ALL OF U! U R ALL DOGS!" (in a tweet about his breakfast)
BIFF: "PLZ 2GHT I WANTS 2 KILL U ALL 4EVER!" (in a post about his brother)