The study, conducted with a sample of adolescents from high school; analyses the relationship between bullying, self-reported tendency to commit delinquent acts and personality traits such as impulsiveness, anxiety and prosocial behavior. Results indicate that there is a significant relationship between bullying and deviant behaviors. In addition, "bullies", "delinquents" and "bullies/delinquents" are all characterized by a strong impulsiveness trait.