Tybalt Capp is the eldest child and only son of the late Cordelia and Caliban Capp. He and his two sisters live with their grandfather, Consort Capp, so that he can better educate Tybalt's sister Juliette in how to be an effective head of the Capp family. Although Tybalt is older than Juliette, he is ineligible for the title, as the Capp family is matriarchal. Despite this, Tybalt loves being a Capp and all that comes with it, and is determined to protect his family's legacy and reputation at all costs.
Tybalt had a troubled childhood punctuated by angry outbursts and temper tantrums, resulting in his growing up badly twice despite nothing terribly bad happening to him during the Toddler or Child life stages. His academic performance fell significantly following his parents' deaths, but he has since managed, with much work, to regain a reasonable grade point average.
Tybalt is generally disliked by both of his sisters, but the feeling is not mutual. He would do anything to protect them from any danger. Since Tybalt knows of the Monty family's place in the Veronaville mob, he is very distrustful of Juliette's relationship with Romeo Monty, and has often tried to discourage Juliette from continuing the relationship. Sometimes his attempts to break them up escalate into physical violence, whether between Tybalt and Romeo or between Tybalt and Romeo's brother Mercutio. So far, all of these altercations have gone in Tybalt's favor, but Juliette refuses to leave Romeo, and Tybalt's obvous hatred of her boyfriend has become a major strain on their relationship.
Tybalt is dating Rosaline Ulett, the daughter of a family friend. He tries not to be a jealous boyfriend, but Romeo's attempts to flirt with Rosaline often set him off. The fact that Romeo would flirt with another girl who doesn't even want his attention while dating Juliette is infuriating to Tybalt; the fact that Rosaline is his girlfriend is just the irritation icing on the cake of rage.
- I had to fix the family tree to make it show Tybalt as the eldest child; when the game first loads, he is shown as the middle child after Juliette.