During the title fight, posters for a company called Kaiju Ltd can be seen in the background. Kaiju is the Japanese term for the monster movie genre specifically starring huge mutant animals such as in Godzilla or Pacific Rim
Formerly called Monster on the Hill. Made in partnership with ReelFX.
"Put on your red shoes and let's dance" and the character name of "Ziggy" are both references to David Bowie. The first is a line from Bowie's song "Let's Dance", and Ziggy was a persona that Bowie used: Ziggy Stardust.
Walden Media's second animated film, after The Star (2017) from Columbia Pictures / Sony Pictures Animation.
The teaser trailer premiered alongside Sonic the Hedgehog (2020), also from Paramount and starring Ben Schwartz.