Happy! is based on Grant Morrison and Darick Robertson’s popular graphic novel of the same name. The series follows Nick Sax (Christopher Meloni) – an intoxicated, corrupt ex-cop turned hit man – who is adrift in a world of casual murder, soulless sex and betrayal. After a hit gone wrong, his inebriated life is forever changed by a tiny, relentlessly positive, imaginary blue winged horse named “Happy” (Patton Oswalt).

Meloni, best known for playing Eliot Stabler on “Law & Order: SVU,” told EW:

“I just thought it was outlandish. I thought, This is either going to be awesome or it’s not going to work. I thought, I want to go all in!”