>>37587267The "spikes" are stabilizers for underwater mobility like what you'd see in a torpedo.
The stars form a headphone with its round ornaments, strengthening not one but both its singer and mermaid theme.
The hair beads are actually bubbles which Primarina can control while singing, or in other words Primarina's main weapon.
>>37587279That's also fair. Many people only like one aspect of it, while some like all or none of them. It's a design that can work (or not) on many different levels, and I personally love all of them.
