Spike always wears a red tank top, blue shorts and flip-flops. Spike has brown hair and brown eyes. He is light-skinned. On his shoulder he has his gemstone.
Spike can be shown to be nice at sometimes but can get mean. Spike is still learning how to control his powers unlike his twin sister Crystal. He's very caring with his friends no matter what.
Spike really likes Steven and thinks he's super funny because Steven is being himself in his own Steven-y way and Spike likes that.