this has it all, great back up vocals, lead vocal and fitting lyrics.
From wiki:
Theme song
The show is also remembered for its title song, "Underdog," which was arranged and produced by Robert Weitz, lyrics by Chester Stover, W. Watts Biggers, Treadwell Covington, and Joseph Harris. Several notable covers of the theme song have been made. The original song was sung by Robert Rigani.
The Butthole Surfers released a version included on the 1995 tribute album Saturday Morning: Cartoons' Greatest Hits, produced by Ralph Sall for MCA Records.[5]
Ted Kooshian's Standard Orbit Quartet included the song on their 2009 CD Underdog, And Other Stories... .
An extended a cappella version was done by The Blanks on the TV program Scrubs during the episode titled "My Hero". They later recorded it on their 2004 album Riding the Wave.
The hip-hop music producer and members of the Wu-Tang Clan the RZA sampled "Underdog" theme in their 1993 song titled "Wu-Tang Clan Ain't Nuttin To F' Wit". This song was released in Wu-Tang debut album Enter the Wu-Tang (36 Chambers).
The Underdog theme was used in a commercial for Reebok ZQuick shoes in 2014.
