>>27583627Popplio learns Disarming Voice, which is a special Fairy-type move. While it doesn't necessarily mean Popplio will become Fairy type, it does imply that Popplio can soothe enemies with its voice, which is a quality that is associated with sirens and mermaids.
The leaks of the final starter evolutions seem to be anime reference sheets because they include what seems to be Ash and Mallow. This pretty much confirms they're real.
It may seem jarring that Popplio's final evo has human-like hair, and while it is an uncommon trait among Pokemon, it's not entirely unheard of. Pokemon in the past have been given long flowing locks of hair, most noticeably Mega Ampharos and Zoroark.
