Regulus and Barty only worked because of jealousy.

Regulus was jealous of Barty standing up to his abusive parents and Barty was jealous of Regulus for knowing how to keep quiet.

Regulus Black would spam KYS anytime he got a response he didn't like.

I personally believe Sirius found out about Jegulus by finding a black turtleneck on James's bed.

The day Remus Lupin was born it was a full moon.

Regulus Black would listen to Lana Del Rey.

An Owl dies every time Barty Crouch Jr. is called stupid.

Barty Crouch Jr. would secretly read whenever he was at home because he thought reading was dorky.

Regulus' curfew could be maximally be 9:55 pm at Walburgas' house. Why? Because Sirius' curfew used to be 10 pm.

Sirius Black would be a horror movie junkie.

Regulus and James would have rings representing the other's house color

Dorcas wasn't afraid of Voldemort when she died just because he took everything she was afraid to lose.

Sirius was writing love letters to Remus every single full moon he spend in Azkaban

Having a good day? Sirius's and Regulus's graves are empty.

Barty "i was only just a maybe" Crouch Jr

New slang drop! "REGULUS" when something is too deep under

James would blush like an idiot after Regulus told him to 'fuck off' for the third time.