Rick Dees and Disco Duck
It doesn't surprise me he wasn't on this show long due to low popularity as a host. I remember getting tired of his silly comic routines, especially his digs at being the singer of Disco Duck. He even performed the song once and the studio audience were shown clearing out in fast forward. YUK! YUK!
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The more I study it, the greater the puzzle becomes.
The Golden Voyage of Sinbad