I feel like I'm making this a harder question than it probably is, but;
Nahri Ryu: spicy mccrispy, a medium fry, and a water
Asao Uemara: an m&m mcflurry
Taiyo Onitake: 2 big macs, 2 large fries, 2 oreo mcflurries, 2 hashbrowns (his twin would kill him if he didnt buy two of everything)...