there is no shading other than his eyes it hard to tell what is in the background a miniscule amount of detail rough outlines raccoons dont live in dens they live in trees its hard to tell his arm from his torso (you should add lines there) and there should be more details pointing to the fact that it is raccinnit, like tommyinnit, perhaps a coke can

less contrast between the electric and dark part of him. also lightning isnt that thin, and a bit of shading, maybe linework to differ darkvolt from the background.