Black, tinged red. Spiked up. [He spreads a hand, indicating each finger as a spike, for example.] Bright blond spiky bangs, long, pointing in damn near every direction at angles that sometimes approach or even exceed ninety degrees to frame his face. Sometimes plastered up against the rest of his hair. [Only when the Other Yuugi comes out. Who knows how that happens.

anime protagonists y'all] I could probably draw it better than verbally describe that madness.