HBO's The Penguin limited series wrapped-up tonight with a shocking finale that saw Oz Cobb (Colin Farrell) establish himself as the new king of Gotham's criminal underworld - at the cost of whatever shred of humanity he may have had left.

After first getting Sofia Falcone Gigante (Cristin Milioti) out of his way by sending her back to Arkham, Oz decided that he couldn't leave any more room for weakness, murdering his young protégé Victor (Rhenzy Feliz) even as he begged for his life.

We then see Oz return to his penthouse after spending the evening with his new high-society associates, now more delusional than ever as he dances with Eve Karlo (Carmen Ejogo) - who is dressed in his mom's clothes - while his actual mother (Deirdre O’Connell) lies in a vegetative state upstairs.

Oz believes himself to be untouchable now, but the finale concludes with a shot of...