Abstract The termhetero-homo-transphobia encompasses a range of negative attitudes and feelings toward hetero/homo/transexuality or people who are identified or perceived as having a sexual orientation different from one’s own. It has been defined as contempt, prejudice, aversion, hatred or antipathy, may be based on irrational fear and ignorance, and is often related to religious beliefs. Generally, the phenomenon is measured and evaluated based on the number of aggressive or discriminating acts but as well asother persecutors (e.g. stalkers) hetero/homo/transphobes do not see themselves as such. There are, though, different indicator in human behavior that could be useful to predict the potential hetero-homo-transphobic structure of a subject’s mind. Only aggressive or