Update:
Agent Smith (The Matrix)
Alpha 5 (Power Rangers)
Ash (Alien)
Bomberman (Bomberman)
Brainiac (DC Comics)
Bumblebee (Transformers G1)
Calculon (Futurama)
Clank (Ratchet & Clank)
Dinobot (Beastwars)
The Doctor (Star Trek Voyager)
Dog (Half-Life 2)
E-102 Gamma (Sonic Adventure)
EDI (Mass Effect)
Emeralda Kasim (Xenogears)
EVE (Wall-E)
Grimlock (Transformers G1)
Jinzo (Yugioh)
Megatron (Transformers G1)
Metal Sonic (Sonic)
Optimus Prime (Transformers G1)
Porygon (Pokemon)
Rin Kagamine (Vocaloid)
ROB (Nintendo)
Robo (Chrono Trigger)
Robot (Lost in Space)
Robot Santa (Futurama)
Sentinel (X-Men)
Sharon 'Athena' Agathon (Battlestar Galactica)
Sovereign (Mass Effect)
Starscream (Transformers G1)
T-1000 (Terminator 2)
T260G (SaGa Frontier)
Tio (Grandia 2)
Tom Servo (Mystery Science Theater 3000)
Ultron (Marvel Comics)
WALL-E (Wall-E)
--
Still smilin'
:>