Mermaid Queen Nerissa, aka Chelsea, is the primary antagonist of Ruby Gillman, Teenage Kraken. Her defeat at the end of the film notably results in her capture by Gordon, who live-streams her in a ...

It’s the mermaids who are the real demons. That’s the upside-down premise to DreamWorks Animation’s sweet Ruby Gillman ... Why does Ruby become a giant kraken in the library?

Fifteen-year-old Ruby Gillman learns that she ... power-hungry mermaids by battling with eons. Ruby would need to embrace Chelsea, a mermaid-turned-human who enrolls at Oceanside High School.