What is the anime called where the main character's name is zero?

Question

I think it's pretty old cause I used to watch it when I was little,

and there was another girl in it with pink hair and cat ears,

and it isn't vampire night.

Answer 1

im not really sure but i think its Code geass  

Answer 2

Anime : Megami Kouhosei (Pilot Candidate)

Info : http://anidb.net/perl-bin/animedb.pl?sho...

Year : 2000

Answer 3

Well my friend was into  "Zero no Tsukaima" his name was Zero I think, and there was a girl with pink hair- but i dont remember cat ears.....