It's a fictional character that has no consciousness. So what if people "like" the character? It's not like the character likes anyone back, or can suddenly become aware of your emotions.
The fact that you see your friend as a potential threat for holding a similar interest in the fictional character holds no basis for logic.
The truth is, if you for some reason are upset that someone you know likes the same fictional character you like, then you are being petty.
William Shakespeare was a truly extraordinary artist, he wrote dramas and poetry. Not only did he write tragedies, but he also wrote comedies and histories. He died when he was just fifty-two years old moreover it has been speculated that he died on his birthday.
