>>48459369Serp is a French Aristocrat who got so full of itself it stopped needing arms and legs, mirroring the excess that led to the fall of the French Empire.
Emboar isn't a "wrestler," it's a Chinese warlord based on Zhang Fei in particular and a little nod to Zhu Baije from Journey to the West.
Samurott is the most obvious, being a mounted Daimyo with the whiskers being a massive shoutout to their face masks. The stance switching is in reference to higher tier samurai going on horseback.
The theme was always World Empires to match the melting pot theme of Unova.