Here is a little suggestion for nicknames.
Martin "Brains" Byrne
Stephen "Hank" Flusk
Mick "follow through" Rees
Tom "Branch" Roche
Quentin "Riddick" Doyle
Liam "Lifeguard" O'Neill
Richie "Chinky" Conroy
Dotty "Dexter" O'Reilly
Jason "Pinkman" Fortune
Jamie "Jesus" Linton
Niall "Bert" Forde
I'm struggling to think of an appropriate one for Spud, suggestions please. And feel free to offer up any ones you might have yourselves.