It's not mocking, it's just a funny allegory. Putin looks like a superhero in the thoughts of ordinary Russian people and the main character. When he was smoking marijuana, his subconsciousness gave birth to this strange picture. Also, Saint-Petersburg (the act occurs there) is the native city of Putin, so Putin's words take on special significance and intonation. It looks like Putin makes fun of them secretly.
Did you realize what they are talking about?