Original sentence: The show features the adventures of three major characters: Lazlo, the title character, is a Brazilian spider monkey with a carefree attitude; Raj, an Indian elephant who is more level-headed; and Clam, an albino pygmy rhino, who speaks in bursts of one or two words, synonymously echoing his friends statements
Edited sentence: The show features the adventures of three major characters: Lazlo, the title character, is a Brazilian spider monkey with a happy-go-lucky attitude; Raj, an Indian elephant who's usually more level-headed; and Clam, an albino pygmy rhino, who speaks in sentences usually consisting of one or two words, synonymously echoing his friends statements