Because neither Noah-clone nor Mokuba-clone are good at fighting, Roxas and Axel-clones would do all the saving.

Fingerless gloves for the win.

What they are saying:
Mokuba-clone: Get it Noah-clone!
Noah-clone: *pokes heartless with stick* How does Roxas-clone do it?

For Ariisharkers "Baby do you liek my sweater?" contest.