The Namlings, under Nam-gyu's leadership, exhibit a similar ruthless and self-serving demeanor. They aren't human, They're NAMLINGS Serving namgyu 

Nam-Gyu also has a boyfriend, Thanos

They only have 1 eye and they have hair but 1 hair is sticking up

 however there's Namling D, A burden The only namling in this clan who hasn't got a single useful ability? Who has no skill, who can't keep anything useful to the family of nam-gyu,weakling namling, the only one abused by namgyu. He's kind though