Sonic Kart DS
Well, I was making the above image when I said to myself "Hey, I could probably make this a MKDS mod!". So, I uploaded the image to DeviantART and got to work. So far, only the BETA version is done, and I have a video of it.
Here are the codes!
Sonic
023CDD44 00000006
D2000000 00000000
023CDD40 0000000C
023D99DC 00000001
D2000000 00000000
023C9E00 0000000A
D2000000 00000000
Demon Knux (Not done)
123CDD40 0000000C
123D99DC 00000010
(Thanks 7V.i.7V.J.A for color)