A lot of people on the lunch list and that read this blog have either worked or done illustrations for Kenner/Hasbro and other toy companies over the years.
The Sunday Cincinnati Enquirer had a great article written by Laura Baverman about several companies in the area that still do toy design.
Here is a link:
We're still creating kids' favorite toys
As a segue, I recently did some Crayola Game package art for Wild Planet Toys. Here is a link to my post about it: http://christinawald.blogspot.com/2010/12/package-illustrations-wild-planet.html
I know a couple other people on the blog have done game and toy package illustration. Post some!