Complex sentence: Mechadoc is the Hige Hige Bandits'mad scientist and Bagular's more trusted right hand henchman who does all the building and machinery for Bagular and the Hige Hige Bandits.
Split into simpler sentences: Mechadoc is the Hige-Hige Bandits'mad scientist and Bagular's more trusted henchman. He does all the building and machinery for Bagular and the Hige-Hige Bandits.