Just remix it with your oc replacing the scratch cat, and delete my ᶜʳᵃᵖᵖʸ drawing of the scratch cat. I'll remix it back with my redrawing of your oc. It's free to use for profile pictures, just credit me!
I just made a background with the line drawing tool, and typed text saying "Your oc" and "My drawing". Then I made a ᶜʳᵃᵖᵖʸ version of the scratch cat, moved it over to the "my drawing" section, and put the actual scratch cat in, and moved it to the "your oc" section.