>>55438324Meganium. No signature move or ability, no special form or regional variant, not good in competitive, nothing. Its only claim to fame is its orgasm face in New Pokemon Snap.
>CinderaceGets Protean, MULTIPLE signature moves, and a Gigantamax.
>>55438330Samurott has a regional form. Emboar had Heat Crash as its signature move.
>>55438335Rillaboom has a signature move, a Gigantamax, and an ability shared only with one legendary. Quaquaval has a signature move.
>>55438342Greninja has an extra-special form, was the first Pokemon to get Protean (and find it usable) since Kecleon, and got into Smash.
The correct answer is Meganium.