Kafei

From Zelda - Wiki on Neoseeker

Kafei is a character in the Legend of Zelda: Majora's Mask, He was a happy man because he was getting married to Anju on the Carnival of Time day, but one time he was turned into a child by the Skull Kid, he then went to the Great Fairy in North Clock Town to request aid but on the way there he was ambushed by Sakon the Thief, who stole his Sun Mask.

In the game the player can help get Anju and Kafei reunited by doing certain things in the three day cycle, In the progress the player will recieve three masks and also another if he delivers mail to the postman, some of these maks are Kafei's Mask, Keaton Mask, and you can also get the Postman's Hat.

After completing the Kafei and Anju Side-Quest, Anju and Kafei will be finally reunited and they will give you the Couple's Mask.