Sunday has smooth, wavy greyish-blue hair shoulder-length with a fringe swept up to the left. He has fair skin and yellow irises with purple pupils. Sunday has angel wings behind his ears as well as a halo which represents his heritage as a Halovian. Sunday is stoic, dominating, intimidating at times, not really nice but could be benevolent. He has a toned masculine body with a v-shape abdomen.