Crimson Vex is a tall and athletic male character, aged between 21 and 25. He has a clean-shaven face that highlights his sharp features. His striking red undercut hairstyle is both trendy and edgy, with tousled layers that give him a rebellious look. His medium skin tone complements his vivid blue eyes, which shine with a mischievous glint. Crimson is dressed in a stylish long-sleeve shirt paired with fitted jeans and sleek slip-ons, exuding a casual yet fashionable vibe. This character embodies the vibrant and chaotic energy of the Hazbin Hotel universe.