| This minifigure has only appeared in video game(s)|
Although this article is about an official minifigure, it never existed in physical form, or appeared in any official LEGO sets.
Regulus Black is an unlockable character in LEGO Harry Potter: Years 5-7.
Regulus Arcturus Black (1961 – 1979), also known as R.A.B., was a pure-blood wizard, born to Orion and Walburga Black, and the younger brother of Sirius Black. He attended Hogwarts School of Witchcraft and Wizardry in 1972 and was sorted into the Slytherin house. Regulus became a Death Eater in his youth, but defected when he found what Lord Voldemort would do in order to reach his aims. Regulus also learned about one of Voldemort's horcruxes, and decided to destroy it. He was killed while attempting to destroy Salazar Slytherin's Locket in 1979.