When Fun Haus walks out of his ship at the beginning of the episode, he's carrying a doll that resembles Mary Louise Dahl, a.k.a. Baby Doll, a Batman villainess. The fictitious Mary Louise Dahl was a female actress who was born with systemic hypoplasia, a rare condition which kept her from ever growing, meaning that she spent all of her life looking like a young toddler. She made her first appearance in "Baby Doll" on Batman: The Animated Series.
Corey Burton provides the voice of the android hero, Red Tornado. Burton is also known for providing the voice of another famous DC artificial life form, Brainiac, in Superman: The Animated Series (1996), Justice League (2001), and Justice League Unlimited (2004).
In this episode, Red Tornado's human identity is "Professor Ulthoon". In the comics, Ulthoon was the name of the Tornado Tyrant of Rann who later inhabited the Red Tornado android. His human identity was John Smith.