Proper noun
English Wikipedia has an article on:TybaltWikipedia
Tybalt
One of the main characters of William Shakespeare's play Romeo and Juliet.
John W. Draper points out the parallels between the Elizabethan belief in the four humours and the main characters of the play (for example, Tybalt as a choleric). Source: Internet
Tybalt, meanwhile, still incensed that Romeo had sneaked into the Capulet ball, challenges him to a duel. Source: Internet
Romeo, now considering Tybalt his kinsman, refuses to fight. Source: Internet