Edwin from Baldur's Gate 1&2.
´"krhm, yes, I have a task for you. I would like to travel with you to place X (And kill you on the way if I get the chance)"
"Ummm, yes, we CAN hear you, you know. Plotting to kill us isn't exactly wise you know..."
"Kill you? No no, while my arcane powers certainly could do that withoout any chance of failiure, I wouldn't do that. (Besides, it's not like your simian brains know anything of wisdom or true power. Yes, yes, you idiots will do nicely...)"
"Well gee, you know, I think I hear our bard causing a rucus at that tavern over there so we'll just..."
Oh, and HK-47:"He requests proof of our peaceful intentions. Shall I blast him now master?"
"Gleeful statement: In enclosed spaces, such as this cantina, use of are-of-effect weapons, such as grenades, is recommended for maximum carnage and civilian casualties. Shall I prime a few thermal detonators, master?"
"Whenever I think I have seen to the bottom of human cruelty, you do something so entirely unexpected and evil that it leaves me analyzing the implications for days! Such actions are enough to make my behavioral core glow from excitement! You are like a delightful random cruelty generator, Master, poisoning everything with your touch."