Dan noticed his skin seemed to be changing colour. It was becoming more pale- but wait. That wasn't his skin. That was his... fur? He seemed to be growing white fur with black stripes. Dan wasn't happy.
"What are you doing, sis???!!!" Kat just stood and laughed. Dan's fingers retracted into his fist, turning into blackened hooves, and his blonde hair turned to a spikey black mane. His face elongated into a muzzle, and the change was done. Dan was a zebra.