could green dude be modeled after a Japanese kappa. Maybe he is an armless kappa. They both have a beak and the white line on the head might be a plate. :
222 Banda Mule Mules - Brown – Kappa USA
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Kappa Mikey Mii for the very few people who know of this amazing dude 57RVFD2 : r/Miitopia
Josh (@lazythunk) / Twitter
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DUCK DUDE】【Kappa】ニット帽 ニットキャップ 2点セット - メルカリ
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Josh (@lazythunk) / Twitter
KAPPA - 90's Logo Tee - dude online
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