Nightwing
Nightwing is a fictional superhero appearing in American comic books published by DC Comics. The character has appeared in various incarnations, with the Nightwing identity most prominently being adopted by Dick Grayson when he moved on from his role as Batman's vigilante partner Robin.
Tuomas Holopainen
Tuomas Lauri Johannes Holopainen (born 25 December 1976) is a Finnish songwriter, multi-instrumentalist and record producer, best known as the founder, leader, keyboardist and songwriter of symphonic metal band Nightwish. He has also studied jazz and classical styles, but prefers to be influenced by harmonic film music.