Well, this is the first thread I make and well I want to share the progress of my next sheet for Knuckles Custom and well, here is the first sprite that looks decent, I'm not really good with shading but it doesn't look too bad 
Knuckles with the Sonic 3&K Pallete and Mario Custom Pallete
Knuckles with the Sonic 3&K Pallete and Mario Custom Pallete