Jerry Dexter (April 18, 1935 - June 21, 2013) was a voice actor best known for playing teenaged boys and young men in television series for the Hanna-Barbera animation studio from the late 1960s to the early 1980s.
Biography:
Dexter was born Jerry Morris Chrisman in San Francisco, California. He began his radio career at KENO in Las Vegas in 1958. After a stop at KVI in Seattle, Dexter moved to Los Angeles and KMPC in late 1959. He took his show, The Dexter Affair, in October 1962 to KLAC radio in Los Angeles. In 1964, Jerry Dexter had a semi-regular role, playing Corporal Johnson in Gomer Pyle, U.S.M.C.. He moved into a full-time television job in June 1968 with the launch of Good Day L.A. on KABC-TV Dexter was also a regular on Happy Days, a variety show replacement for Jim Nabors in summer 1970.
Dexter's first cartoon voice work was in 1967 as Chuck in Shazzan. Among his roles were Gary Gulliver in The Adventures of Gulliver, Alan in Josie and the Pussycats, Ted in Goober and the Ghost Chasers, Hal in Sealab 2020, Biff in Fangface, Drak Jr. in Drak Pack Superboy in an episode of Super Friends, and Sunfire in Spider-Man and His Amazing Friends. He also voiced characters for Filmation Studios during the late 1960s, most notably as the voice of Aqualad in the series Aquaman.
He later guest-starred on Challenge of the Gobots, The 1980s revival of The Jetsons and Ducktales.
In June, 2013, he suffered a fall in his home which resulted in head injuries. Jerry Dexter died on June 21, 2013.

Source: wikipedia.org