um,...HELP!!!

I'm trying to remember the name of an anime series and I cant...will you help me?
the following is all I can remember...
(XD/DX)....sadly, it's only from the op song and that I can only remember fragments...

...well, there's a flying pig (I think it has wings)...
...a house...(where the song finishes)...
...I think they are greek gods or something of that sort....
...a few of/ @ least one of the characters have/ has pink hair....another blue hair....rest I think are/ is brown...
....DX...I'm NOT being very helpful...but I tried, was wondering if you could help and try....
will award props!!!