Diane is the Serpent's Sin of Envy of the Seven Deadly Sins. She is a member of the Giant Clan and is thus much larger than ordinary people, including her fellow Deadly Sins. Her Sacred Treasure is the War Hammer Gideon, which she uses in conjunction with her inherent power, Creation.

Dolores is a member of the Giant Clan and a friend of Diane.

Matrona is a former warrior chief of the Eastern Giant Clan, as well as a mentor to Diane and Dolores.

They’re also Zach Loud’s biological mother, stepmother, and aunt as they’re the new characters of The Loud House.