"I've done realistic villains but something in that fantastical realm, children's realm, the dark Lord; I hadn't really done that before.
When I saw some pictures that they drew for the look (of the character) that's when I took the bait. I thought it looked really cool."
To read the whole article click here.
At this moment in time we do not know if this is true or not, so please treat this source as a rumour until further notice.
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Information from www.thesnitch.co.uk