1. Ralph Baer
2. Nolan Bushnell
3. Warren Robinett
4. Shigeru Miyomoto
5. Peter Molyneax
6. Howard Phillips
7. Sid Meier
8. Will Wright
9. Lucas Barton
10. Yuji Horii
11. Yuji Naka
12. John Carmack
13. Hideo Kojima
14. Ken Kutaragi
15. Gary Gygax
16. James Rolfe
17. Keiji Inafune
18. Richard Garriott
19. Yasumi Matsuno
20. Alexey Pajitnov
Most of these should be rather obvious, though I threw in a few toughies for the hell of it.
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That's not a bad thing. That's a good thing. I like me, you like me, and I'm going to help you like you.