"Tybalt is a major character in the Japanese manga ""Letters to Romeo."" He is a young man with a fiery temper and a fierce loyalty to his family. Tybalt's name is mentioned throughout the manga, as he plays an integral role in the plot.

Tybalt is a member of the Capulet family, one of the two feuding families at the center of the manga's story. He is the nephew of Lady Capulet and cousin to Juliet, the story's female protagonist. Tybalt is a skilled swordsman and frequently engages in duels with members of the opposing Montague family.

Despite his violent tendencies, Tybalt is shown to have a soft spot for his cousin Juliet. He acts as a protective older brother to her, even going so far as to challenge Romeo, Juliet's love interest, to a duel after Romeo crashes one of the Capulet's parties.

Tybalt's fierce loyalty to his family makes him a dangerous enemy to the Montagues. His hatred towards them is fueled by a long-standing grudge between the two families. When Romeo kills Tybalt's friend Mercutio, Tybalt swears revenge and tracks down Romeo to challenge him to a duel.

Ultimately, Tybalt's tragic fate is sealed when he is killed in a duel with Romeo. His death serves as a turning point in the manga, leading to the climactic events that bring about the story's resolution.

In conclusion, Tybalt is a complex and dynamic character in ""Letters to Romeo."" His name is mentioned numerous times throughout the manga, highlighting his importance to the story. While his violent tendencies and loyalty to his family make him a formidable foe, his love for his cousin Juliet shows a softer side to his character. Tybalt's tragic fate serves as a reminder of the devastating consequences of family feuds and conflicts."