That's not strange at all! To tell you the truth, I can do something similar. The power I use to call forth many Persona is called the Wild Card. A strange man with a long nose told me it's a unique ability.

[Kotone remembers talking to Igor about her potential and what that could mean for her future. The strange man with a long nose would often appear in her dreams. A part of her is hoping that she doesn't sound completely ridiculous. ]

Persona's are a reflection of one's inner self. Arsène must be a lot like you.