<Snipped quote by Ogobrogo>
CAME BACK.
Is Gray the half or is Andy the half? xD
-edit-
<Snipped quote by RainbowReindeer>
Missed you too, onee-chan~ :(
Both are bisexual if I can recall. Gray is oblivious to any sides of love so he can easily be affected by male or female love interests. Wait why are we talking about this again?