Lorcan

Lorcan Scamander is one of the twins born to Luna Lovegood and Rolf Scamander. He has a twin brother, Lysander.

Etymology
Lorcan means "fierce one" in Gaelic. Lorcan d'Eath is the part-vampire heartthrob singer who enjoyed 19 weeks at #1 for his hit song 'Necks to You;' also featured as Wizard of the Month in November 2006. Lorcan is also a common name for either a werewolf or vampire in fantasy novels and movies.