Jacko is usually masculine but has a secret Femboy side that he doesn't bring out often, he has huge meaty thighs and looks fairly cute, his voice is deep when he's masculine, but high and cute when feminine, he also has a blush and a cute smile when feminine but no blush and a creepy smile when masculine. Jacko appears with a jack-o-lantern for a head with two white glowing eyes, and when masculine,wears a dark purple cloak, he also has a dark purple hat similar in appearance to a witch's hat.