Im a little of the 'what you do for one you do for both' advocate (my siblings all had to have the same as we fought!) so I say two middle names to match oscar. Soooo....

Cruz Axel Phoenix is GREAT!!!

and

Charlotte Avah Grace is beautiful!
yes they were my thoughts. wow i love your suggestion of Charlotte Avah Grace
its gorgeous!

and the rest of you ladies i have opted not to include XDPs name as we planned after the msg he sent me last night