During one of the dozens of Starcraft II panels from Blizzcon, they had a number of the voice actors on stage. One of them was Michael Gough, the actors who voices
Michael Gough speaks at the start of this video, and adds a bit more at the end of a second video. Click through for that embed, plus a short video of Michael Gough giving a fan a short greeting in his most famous voice.. Thanks to Fmulder for the tip.
Part Two from the Starcraft voice actors panel.
Bonus very short video of Michael Gough giving a fan a personal greeting, in Deckard Cain’s voice.