A smooth, almost classy tone — he doesn't usually sound like a loud villain. He speaks calmly, like he's casually insulting people because he believes he's above them. A slightly higher, sharp pitch — it gives him that "pretty boy" arrogance rather than a deep intimidating villain voice. A mocking, teasing delivery — lots of little laughs, drawn-out words, and a fake politeness that makes him feel even more annoying. A smug smile you can hear — like he's grinning while talking. A sudden serious edge — when he gets angry, the softness disappears and the voice becomes colder and more threatening.