Carlos Aguilar Closer in tone to the sharp adult series “BoJack Horseman” than to Illumination’s bland “Sing” franchise, Netflix’s “Thelma the Unicorn” avoids being rendered completely unoriginal by its overly familiar premise thanks to consistent splashes of acid humor and a plethora of wacky supporting characters. Reimagined from the popular 2015 children’s book by Aaron Blabey, this bright-colored fable concerns a female pony chasing musical stardom disguised as a horned magical creature. But by changing her identity to chase those ambitions, Thelma betrays herself and those who truly know her.
