From the Metal Gear Wiki

Michael Bell is an American voice actor who has voiced a vast spectrum of characters in his years of work. Among those characters include Drew Pickle from Rugrats, Allstar from The Snorks, Duke from G.I Joe and Prowl, Sideswipe, First Aid, and Scrapper in The Transformers.

In Metal Gear Solid 3: Snake Eater, he lent his voice to The Fear, working alongside fellow Marvel-Sunbow co-stars Neil Ross and Gregg Berger.