[2][3][4][5] George began cheerleading while a student at San José State University in 1968, where he was also a member of the National Championship judo team.
[6] Fans, averaging over 15,000 per game, reacted so boisterously to his cheerleading that a formal protest was filed by one opponent after a loss, claiming that the crowd noise 'interfered with (the) team's preparations for overtime.
[1][10] George, characterized by his drum and gravelly voice, in 1980 gained widespread attention, including that of NFL Commissioner Pete Rozelle.
"[12] After losing the game, the Vikings lodged an objection claiming the cheering inspired by George disrupted the signal calling of the Minnesota quarterback.
[17] He has worked for numerous minor league sports teams, has been a motivational "speaker" for corporations,[18] and appeared at rallies for political candidates.
[20] The first documented use of the wave was during his cheerleading routine on October 15, 1981, while at a nationally televised Oakland Athletics American League Championship Series game against the New York Yankees.
During his career, Henderson has worked for a number of teams in many different sports, including: George appeared in an episode of the Match Game-Hollywood Squares Hour, hired by panelist Robert Donner to improve his rapport with the audience.