Tanto「タントー」 is a young boy who, like his group of friends, love to role-play the Seven Deadly Sins and order the villagers around.
Despite playing the Sin of Pride, Tanto tend to be a coward and bow down a lot.
Pelliot and the Fake Seven Deadly Sins were playing around in the village and ordering people order. Pelliot and the rest headed to the forest where they found the Boar Hat which surprised them since there weren't any bar there in the past. Pelliot became excited and entered in the bar to order the owner to pay them for being in his land. The real Seven Deadly Sins came out, and realize that the kids were playing them and King's information on the next Sin is false.
Meliodas told Pelliot that they were about to leave, Diane then appeared, thinking the rest has come back which shocked the Fake Deadly Sins due to her enormous size and thought she was going to eat them, but she only got angry at them. Later on, the Fake Deadly Sins became friendlier to the Real Deadly Sins, and they got along. Pelliot then told the Sins about the Mountain God that live in Ordan mountain. The kids were later informed from a villager of a group of Holy Knights, the Dawn Roar, and the kids headed to the forest to find them.
Tanto is an ordinary child with no super-human abilities.