Jack's head is like a cake that fell in the oven, and looks like something that makes a fart sound when squeezed. His head looks like it's undergone a labial plumping procedure. It consistently looks like it has the texture of sherbet - Specifically, a Flintstone push-up when it's melting while being eaten in a warm bathtub. It's a head that looks like it has to firm up in the refrigerator overnight in order to remain upright during a school science fair. It's the head of someone who has jell-o cubes instead of bones. Jack's head looks like he was rescued after sustaining permanent damage in the vacuum of space. Jack's facial features appear distorted as though a photo of his face had been scanned and printed onto a shirt worn by Norman Summerton with his pig cups on. Jack looks like a plaintiff suing a surgeon in another country, following a series of botched, gender-affirming surgeries which were promised to turn him into a muppet. He looks the way fish specimens recovered from the Mariana Trench appear at standard atmospheric pressure. Jack's head looks like something a blind girl would sculpt in a Lionel Richie video. Jack's head looks like it should be on the body of a fetal pig suspended in a jar of formalin on display within a secret room in the Vatican. He looks like if, for Halloween, present-day Tim Curry decided to dress up as an earthworm. He looks like someone doodled a caricature of Brian Cox onto a scrotum, then the scrotum was distended by an inguinal hernia. His head looks like a microwaved marshmallow peep ten seconds after the door has been opened. Jack's head looks like the end product of a mischievous child wasting a bunch of their mom's makeup by rubbing it onto a rotting jack-o-lantern. A Jack Scalfani popsicle would look identical to his actual head. Jack's head is like something generated by a misspelled AI prompt for something pertaining to Steller's sea cow. Jack's head looks like some dense, silicone rubber sex toy where the side without the face on it is an ass that hurts your hand to slap. He looks like a middle-aged woman who has endured fifty two reconstructive surgeries and a transplant after a chimpanzee ate her face. He looks like Handsome Pete. Jack's head looks like silly putty pulled off a newspaper photo of himself. It's like a special effects prop head that's going to be filmed exploding. His head looks like something that, if you touched or scratched it with your fingernails, washing your hands wouldn't get the artificial popcorn smell off of your fingertips. Jack's head makes him look like a mascot printed on a bag of some Korean snack food that you find out is maggot-flavored jelly beans.