- Regulus was the younger brother of Sirius Black.
- JK tells us "Regulus got in a little too deep.
- Stubby Boardman is Regulus Black No, he isn't. Nice idea, though.
- Silvery-blue Regulus may look pinkish in the twilight.
- I got his brother, Regulus, when he came along, but I'd have liked the set.