Private Welch was a character who appears in the Season 7 episode of the CBS-TV series M*A*S*H titled "Dear Comrade". The part of Private Welch is played by actor and voice over artist Robert Clotworthy.
About Welch[]
When a swamp of wounded arrive with a contagious rash, Welch, who Colonel Potter tends to, is quickly one of the first volunteers to sample an old Korean home remedy which Kwang, a North Korean Army spy whom Charles unknowingly hired to be his "houseboy", offered to the medical staff to test on them, in spite of the remedy's noxious stench.