Torpedo's real name is Edward W. Leialoha, and his rank is that of navy warrant officer WO-4. Torpedo was born in Aiea, Hawaii.
Torpedo was originally a scuba instructor. He attained black belts in the martial arts Wu-Shu, Kenpo, and Go-Ju-Ryu by age 19, and he is proficient with the Filipino butterfly knife (Bali-Song). His training records after SEAL school are classified, but he is a qualified expert in most NATO small arms, and NATO and Warsaw Pact explosive devices. Torpedo is a strict vegetarian, and spends his off-duty hours perfecting his fighting skills and marksmanship. He is regarded by his teammates as a highly competent professional, but is said to have the personality of a cold fish. Writer Larry Hama gave him his file name after Steve Leialoha.
Torpedo appeared in the original G.I. Joe animated series. He first appeared in the animated series in the A Real American Hero mini-series part 3.
Torpedo appears in a G.I. Joe Public Service Announcement where he tells a kid who had fallen into the ocean how to tread water until help arrives.