Brock Samson is a main character on the Adult Swim show The Venture Bros. He is a parody of Doc Savage, Race Bannon, and other masculine, super-competent characters from other adventure serials. He is voiced by Patrick Warburton.
Little has been revealed in the series about Brock's upbringing. He was born the older of two children to a single mother in Omaha, Nebraska and is of Swedish, Polish, and Winnebago ancestry. He lost his virginity at the age of fourteen and pursues a highly promiscuous lifestyle as an adult. There are several references to the state of Minnesota throughout the series in relation to Brock: e.g., Minnesota Vikings logo on his headphones and Hunter saying he's "from the land of the lakes."
He attended college on a football scholarship to "State University" in the early 1980s, where his fellow students included Thaddeus "Rusty" Venture, The Monarch, Pete White, and Werner Ünderbheit. He roomed with Dr. Venture but the two never socialized. He was expelled from the university after accidentally killing his team's quarterback during practice, leaving him with a guilt he has carried ever since.
After leaving school he joined the United States Army, and was eventually recruited by the Office of Secret Intelligence, a SHIELD-esque organization of super-agents. There he was taken under the wing of Colonel Hunter Gathers, an eccentric yet brilliant secret agent (modeled after Hunter S. Thompson) who Brock later described as "the second-closest thing to a father I ever had." As an O.S.I. agent Brock was granted License to Kill, a freedom he exercised with great zeal.
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Official Site: Cartoon Network
Links: Wiki-Brock Samson animatedtv.about.com Adult Swim-Venture Bros.