T-800
UNSAFE
Ash (Alien)
Blackarachnia (Beast Wars)
Emeralda Kasim (Xenogears)
Megatron (Transformers G1)
Robo (Chrono Trigger)
Robo-Ky (Guilty Gear)
Sektor (Mortal Kombat)
Sentinel (X-Men)
T-1000 (Terminator 2)
T3-M4 (Star Wars: Knights of the Old Republic)
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HK-47: The very best there is when you absolutely positively have to kill every meatbag in the room. Accept no substitutes!