Oswald Cobblepot, known as Penguin, is a prominent antagonist in the TV series 'Gotham'. He starts as an awkward and underestimated member of Gotham's criminal underworld but gradually rises to power through cunning and manipulation. Known for his intelligence and strategic mind, Penguin becomes a formidable crime lord. Despite his ruthless nature, he shows moments of vulnerability and complexity, making him a compelling character. Throughout the series, his ambition and desire for control over Gotham's criminal landscape drive much of the plot.