I think he’s supposed to be the cool guy jerk that never comes around, to contrast how great it was that Steve wasn’t just a jerk and Steve did come around.

Actually he’s a time traveling Jared Leto. Being a method actor, he actually went back in time, had sex with his mother to give birth to himself, traveled to the far future to have a sex change with working ovaries, went back in time again to have sex with the male version of himself in the 70's, raised himself to his…

#JusticeForBob

Stranger Things hates characters whose names start with B and end with B.