Who's Pizza Freak?

[Superbot]

I stumbled upon this thread about this guy saying he was back and stuff.
Everyone seemed to hate him.
Who is he/she?

[Ad Bot]

[Stocking]

[Mecha]

omnom

But that's a sammich
Not a pizza

[Smash Fan]

It took me a while to figure it out, then I lol'd.