sonic and shadow duo please who help me!!!!!

please who help me?who got playable sonic and shadow duo for smbx (supermario bros x?) or i how create my playable sonic and shadow duo? please who help me.
sprites: http://spriters-resource.com/gameboy_advance/sonicbattle/sheet/10045

http://spriters-resource.com/gameboy_advance/sonicadv3/sheet/7143
or sonic alone
but no shadow

Duo? I do not understand, you mean the two on a frame or separates?

Nickokster wrote:Duo? I do not understand, you mean the two on a frame or separates?

I think he means Sonic over Mario Shadow over Luigi.

---

and yes two on one frame