Gannon works as a carpenter, and is able to build and upgrade many things on the player's farm. He operates his shop on Sprout Island. The player can order new constructions, buy tools or change their home decor.
He raises his young daughter Eliza on his own since his wife passed away. He stays inside the store all day when it is open, and visits the cafe on Sundays when his store is closed. Gannon organizes the fireworks festival in Summer.