Tingle Siblings?

The Tingle Siblings? are a recurring group of characters in The Legend of Zelda series.^[1] They consist of Tingle, Ankle, Knuckle, and David Jr. They play a minor role in Four Swords Adventures, where they transport the Links between mini-games in Tingle's Tower.

Biographies

Tingle wears green clothing and is the eldest Sibling.

Ankle wears purple clothing and is often worried about Tingle.

Knuckle wears blue clothing and is often angry with Tingle.

David Jr. wears white clothing and is not actually a relative to the other Siblings.

Tingle Siblings? (Figurine from The Minish Cap)
Tingle Siblings?	(North America): Tingle (in green) and his twin younger brothers Ankle (in purple) and Knuckle (in blue). They believe fusing Kinstones will help them meet fairies, so they are recording Kinstone data on their maps. David Jr. is not technically a relative. (Europe): Older brother Tingle (green) and his twin younger brothers Ankle (purple) and Knuckle (blue). They believe fusing Kinstones will help them to meet fairies.

Four islands in Breath of the Wild (Tingel Island, Ankel Island, Knuckel Island, and Davdi Island) bear the names of the Tingle Siblings?, though each island has the last two letters of the name inverted.

Tingle's Standard Outfit (Koholint) from Hyrule Warriors Legends, based on David Jr.
Tingle's Standard Outfit (Great Sea) from Hyrule Warriors: Definitive Edition, based on Knuckle
Tingle's Standard Outfit (Wind Waker) from Hyrule Warriors: Definitive Edition, based on Ankle