Colonel Edward "Ed" Peter Leo McMahon, Jr. USMCR (Ret)(born March 6, 1923) is an American comedian, game show host, announcer, and television personality most famous for his work on television as Johnny Carson's announcer on Who Do You Trust? from 1957 to 1962 and on The Tonight Show Starring Johnny Carson
, from 1962 to 1992, and as the host of the talent show Star Search, from 1983 to 1995. He later also became well-known as the presenter of American Family Publishing sweepstakes (not to be confused with Publishers Clearing House) who arrives unannounced at the homes of winners. He subsequently made a series of Neighborhood Watch Public Service Announcements reprising that role in parody.
He also co-hosts the Jerry Lewis Labor Day Telethon, and has performed in numerous television commercials, most notably for Budweiser.
In the 1970s and 1980s, he anchored the team of NBC personalities conducting the network's coverage of the Macy's Thanksgiving Day Parade.
McMahon has appeared in several films, including The Incident (1967), Fun With Dick and Jane (1977), Full Moon High (1981), Butterfly (1982) and in a brief bit in the film version of Bewitched (2005).