>>32564596If you really want to know, to a extent, yes, that is indeed clown hair, but it's not literal hair (that belongs to the actual creature nor is the creature capable of growing such hair). D.I (the self-proclaimed design's creator) mentioned it being red sea sponge, suggesting the idea of wild Pinnister (if you will) scavenging this particular sea sponge in the bottom of the sea/ocean to make it his own.
There was this piece of fan art that was based on this if you're still confused.