Complex sentence: Mutt first appeared in the Sunbow'cartoon in the Revenge of Cobra mini-series voiced by Bill Morey while Junkyard's vocal effects are provided by Frank Welker.
Split into simpler sentences: Mutt first appeared in the Sunbow'cartoon in the Revenge of Cobra mini-series. Mutt was voiced by Bill Morey, while Junkyard's vocal effects are provided by Frank Welker.