Top 10 Harry Potter Characters Named After Stars/Constellations

10. Arcturus - son of Phineas Nigellus Black.
9. Alphard - Sirius and Regulus's uncle.
8. Cygnus - Bellatrix, Andromeda, and Narcissa's father; Sirius and Regulus's uncle.
7. Orion - Sirius and Regulus's father.
6. Andromeda - Nymphadora Tonk's mother.
5. Merope - the abused daughter of Marvolo Gaunt; gave birth to Tom Riddle.
4. Draco - Harry's archenemy at school; only son of Lucius and Narcissa Malfoy.
3. Regulus - Sirius's brother who betrayed Voldemort.
2. Sirius - Harry's godfather.
1. Bellatrix - Voldemort's most loyal follower; Sirius's cousin.

And just for fun: