The groundwork has already been laid for Chu:

Look of He-Man: Beastmaster
Eternia: Avatar
Plot/pacing: New Star Trek
Violence level: Harry Potter/LOTR
Creature effects: Narnia and Hellboy
Primitive barbarian vs. technology: John Carter/Avatar
Look of Zodak: Gatekeeper guy in Thor
Look of RamMan: Juggernaut in X3
Teela: Absolutely, positively Jessica Biel