Antonio's nickname should be Captain Caveman. Or Neandertalis.
Bones Jones is an old nickname given to him by his coach.
The Spider seemed forced, but it could be because of his love of Spiderman. Andy loves Spiderman (as do I). That or the Muay Thai art of the eight limbs, the thing he uses to knee people into dust.
The Dragon is a sick nickname.
Rampage is awesome. Suga is awesome.
DC should be DC's nickname. That or Emelianegro. Black Fedor.