Jack

"Trick or treat!"

- Jack

Jack, the self-proclaimed Czar of Halloween, is a character from the whose species is unknown. He is the host of Halloween, and he distributes items from the Spooky Series furniture, which can only be obtained through him prior to. He wears a pumpkin on his head which, during Halloween, makes him appear similar to the villagers in the town, who are dressed similarly. Jack, like all other holiday-related characters, is absent from along with Halloween.

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Jack's first appears in and later appears in  and. During Halloween, Jack appears at a random spot in town, demanding candy should the player encounter him. Unlike the other villagers, who wear the same clothing as him, he will not chase the player, giving them a way to discern who is the real Jack. Upon talking to Jack, he will give the player an item from the Spooky Series in exchange for Candy. Doing this throughout the event will complete the series.

Jack returns in after being absent in. He was announced on the Japanese website for, along with other characters. His role remains the same as in Animal Crossing, and he now calls himself the Czar of Halloween. He sends a letter out to players earlier in the month, warning of his arrival, and telling them to have candy ready. Nook's store starts selling candy on the 1st of October.

In Jack can be found walking around the player's town on October 1 to October 7 (however he will disappear the day after the player speaks to him) where he will tell them about Halloween and what will happen on that night. During this time, the player cannot work at The Roost. On Halloween, Jack can be told apart from the other villagers by his darker orange pumpkin mask and the carving on it. When given a piece of candy he will then ask the player if they want their choice of a mask or piece of furniture from the Spooky Series. He owns an RV that sells 12 Halloween-themed items for 3 MEOW Coupons each.

While initially absent from, Jack returns in the 1.5.0 Fall Update, reprising his role as host of the Halloween event. On October 1 he sends the player along with a letter informing them about Halloween. On Halloween he will give the player or, two clothing items based on his appearance, or the Haunt Reaction if given Candy or a Lollipop. He can also give the player the DIY recipes for the and  if given a Lollipop.

can be obtained from Nook Shopping after inviting him to Photopia via his amiibo card.

Jack appears in when his amiibo card is scanned into the game via the amiibo phone, and will ask the player to build a house for him. Like all special characters, he leaves the theme up to the player, and does not request for certain furniture to definitely be in his house.

In, Jack appears to celebrate the Halloween Gardening Event, similar to all other gardening events. Here, he will ask for the player to plant Pumpkins to attract bats, providing furniture once a certain amount is caught. Additionally, Jack also hosts the Halloween fishing tourney, replacing the usual Chip.

Super Smash Bros. for Nintendo 3DS
Jack appears as a trophy in Super Smash Bros. for Nintendo 3DS.

RV in
When visiting Jack's RV at the campground, the bottom screen will display the following:
 * "When he's not presiding over Halloween, Jack lives simply and frugally. His only two indulgences are his decked-out camping van...and candy."