Often referring to the popular Harry Potter character, although can be used to describe the brilliance that is him. Someone who is stoic in nature but means well
Person 1: "I thought he was rude?"
Person 2: "Nah. You just found yourself a Regulus. And you interpreted him wrong."
He has the heart of a lion and is as welcoming as one - "Lions exhibit remarkable sociability, fostering friendly relationships within their groups, known as pride. Strong bonds and affectionate interactions among members characterize this pride."
Person 1: "I met a Regulus today. It was amazing."
Person 2: "Lucky. I wish I could meet a Regulus."
Younger brother of Sirius Black, a Death Eater, the infamous R.A.B.
Regulus Black is the most overlooked and underappreciated character in the whole of the Harry Potter series. He joined the Death Eaters at 16, but after seeing first-hand what Voldemort was capable of, he had a change of heart and turned against him. He figured out Voldemort's secret and sacrificed himself trying to destroy him. If not for Regulus' sacrifice, Voldemort would never have been defeated by Harry and the series would have ended 'rocks fall. everyone dies.'
Regulus Arcturus Black. The younger brother of Sirius Black, he is fan cast as Timothee Chalamet. He is everyone's favourite Black, the unsung hero with a life story almost impossible to read without crying at.