So far, then

Liam:

Diotior
Robochicken

Chris:

Bunny Attack
Rosie the Riveter II

Leo:

Hannibal
Splinter

Kody:

Major Tom
Brutus Maximus

Jack:

259
Razer

Joey:

TRACIE
101

Martijn:

Mace II
Tough as Nails

One more spot left