Two Bread Tom was a human who appeared in the "Stakes" miniseries. He was a member of a tribe of humans that survived the Mushroom War and was a friend of Marceline's back when she was a Vampire Hunter.
In "Everything Stays," he makes his first appearance in Marceline's flashbacks as a leader of a human tribe after the Mushroom War. At first, he and his tribe were scared of Marceline but soon became good friends after getting more comfortable with her, and sharing a bond of music. He also led a project to build a boat that would evacuate the increasing human tribe members and himself away from the main land so that they could flee from the abnormal weather conditions affecting the continent.
In the Adventure Time Islands Graphic Novel it revealed that he led his crew voyage to salvation on the ship the had managed to repair and use it to escape the main land, they sailed for 34 days and eventually found an island that would soon be called Founders Island, after a while on the island living with another group who were there before them, Tom had became a important role model to the people of the island and became the first of few founders of the island, and a community is built, later he learns that the island is more dangerous than expected and becomes obsessed with protecting his people and begins construction on a large wooden sentinel, possibly the very first stages of or an attempt to create the guardian.
In the episode, "Min and Marty", a statue of Two Bread Tom playing his guitar is seen in a park on Hub Island. A plaque reads: "Thanks Two Bread Tom for being everyone's cool dad."
Tom is known to be a very friendly and compassionate person, he is very protectful of his friends and will go to very far limits to ensure there safety, when he becomes a founder he does all he can to make the island as safe as possible and eradicate any threat that may emerge to the humans. He is also seen to be a very charismatic person and contains very important leadership skills he is widely respected by the rest of the humans. During the Stakes miniseries and the Islands comic, he acts as a father figure towards Jo and is very protective and concerned of her safety. After she disappears in the forest on the island, Tom becomes a kind of a control freak to make founders island a safe haven.
Tom wore a long sacking hat over his head to possibly protect himself from Vampires. He wears long rectangular lensed glasses and is seen wearing a greenish coat with a white shirt underneath. His hat conceals his bright red hair and during his time on the island he is seen without his hat and grows a beard.