Gil is a tan-skinned muscular boy with blonde hair tied in a ponytail. His primary outfit is a dark orange t-shirt, a orange and yellow leather jacket, jeans with brown details and dark brown boots. His accessories consist of a dark yellow headband, brown and black bands, a bronze bull necklace, a bronze bull belt, golden, black and bronze bracelets, yellow fingerless gloves and a sheath for his sword.
- "What's My Name" (with Uma and Harry Hook)
- "It's Goin' Down" (with Mal, Evie, Jay, Carlos De Vil, Ben, Uma and Harry Hook)
- He is the only son of his family not to be named after his father, Gaston.
- Gil is part of Uma's pirate gang.
- Gil is described as handsome and menacing.