Cornimer

Cornimer is a tortoise with an acorn head who appears in, , and. In the, Cornimer is a holiday-specific visitor in town and will exchange items for acorns. In the, he appears only in Animal Crossing Puzzle League as the final boss. Cornimer bears a strong resemblance to Tortimer and it is implied in that the two are the same character.

In
In, Cornimer appears only during the Acorn Festival and gives the player items from the Mushroom Series in exchange for acorns, which are found under oak trees during the festival. However, if the player gives him a rotten acorn, he will say that all the other acorns the player gave him that time do not count. Much like Tortimer telling the player's fortune by using fireworks, he can tell the player's fortune by using acorns.

It is heavily implied that Cornimer is Tortimer in disguise. In addition to their similar appearance and names, during the Acorn Festival, Tortimer is not behind the desk in the Town Hall. Additinally, the first time Cornimer laughs in his dialogue toward the player, he says, "Hef horf horf... Wait no! Good luck lil' Oakie!", with "hef horf horf" being Tortimer's laugh.

In
The roving machine that is whacked by players during the Hammer Time Island Tour appears to be Cornimer's head on top of a lawnmower.

Cornimer himself returns in the update for, where he appears as the final boss in the story mode of Animal Crossing: Puzzle League. The character is once again strongly implied to be Tortimer in disguise, as Cornimer wears the same red aloha shirt and uses similar language to Tortimer. Unlike previous stages, there is only a single round versus Cornimer but the difficulty is significantly raised. After being defeated he will initially throw a tantrum, but then acknowledge the player's victory and congratulate them.

In
Cornimer appears in place of Tortimer on Harv's Island during the fall season. If the player talks to him once each day, he will ask to give them acorns. If they say yes, he will give them a random amount of acorns. If they talk to him again, he works the same as Tortimer, letting the player access their storage.

In Super Smash Bros. Brawl
In Super Smash Bros. Brawl, Cornimer appears as an obtainable sticker. He is also mentioned in Tortimer's trophy description.