Triplet of Vongola
Sawada Tsunayoshi the older brother of Sawada Tsukuyoshi and Sawada Tsukiyoshi. They are triplets, born only different 2 minutes each.
Sawada Tsunayoshi AKA Dame-Tsuna was a smart boy. But he use a dame mask without his little brother and sister knew it.
Sawada Tsukuyoshi AKA Prince Tsuku. The prince of the Namimori Middle or Nami-Chuu. He is good at all subject. Everyone admired him.
Sawada Tsukiyoshi, the younger from her brothers. She is also good at all subject, she actually hates Tsuku and likes Tsuna more.