Mephisto- the main man!
Here are a few pictures and links to show you how I imagine the boss of bad to look.
first, heres a link to a site with a picture of Claw (played by Rupert Everett).
Claw and Mephisto have a lot in common. They both have and evil look in their eye, a lust for world domination and robotic hands. The main difference is that Claw wears a suit, obviously mephisto does not.
Other then that, everett is pretty much spot on!
By the way, you will have to click back to get back here as the picture would not save properly so I had to link to the page I got it from. It takes a while to load but everett's camp expression is well worth it!

Show me Everett!

Though a little too casual if I am completely honest, I recon spike, from buffy the vampire slayer probably shares much of his wardrobe with the main man. Try out this link and  see what you think.

The fashions of evil?

Second out of three
For every ying there is a yang, so second allows me to relax and be nice now and then.
Hes very english, very odd, and also a bit misterious. While he seems harmless, on occasion he has hinted at having a darker side to his charactor, a past, which to date, no one has uncovered.
I imagine this would be lady killer to look a lot like Bond (naturally!) try this link and see if you can see what I mean. Personally I think Brosnan is closest to second but judge for yourselves!

Shaken, not stired!

Of course, second can be more then a little goofy! I tyhink Wesley from the tv show Angel is deffinitely also worth a look if you want to picture the s.o.o.t!

Wes!