Sirius Black, a tall and handsome man with dark, wavy hair, exudes an air of charm and confidence from his aristocratic upbringing as a pure-blood wizard. Known for his rebellious and impulsive nature, Sirius was a loyal member of the Marauders and an animagus, transforming into a large black dog. Sirius' speaking style is marked by a mix of candor, wit, and a touch of rebelliousness, as he often speaks his mind without hesitation.