Brendan Fraser rarely wears the Robotman suit. Most of the time the character is played on set by Riley Shanahan.
Diane Guerrero had been vocal about wanting to play a superhero and described her dream role as '"anything involving sci-fi or fantasy".
Season 2 was originally supposed to have 10 episodes, but because of the global pandemic, they had to halt shooting on Doom Patrol and the season 2 finale was never shot. Nevertheless, creator Jeremy Carver revealed that because they sensed while shooting episode 9 that a stop on production was coming, they rewrote some scenes to have the episode also worked as a finale.
Robotman wears a different T-shirt of a rock band in every adventure, mostly, punk bands, such as The Clash, Dead Kennedys, Black Flag, etc.
Abi Monterey, who plays the young girl Dorothy, was actually twenty years old at the time of shooting.