1, the screen name "fat but not greasy" means that although you are fat, you are not the kind of fat that makes people feel bored, but the fat that makes people feel cute.
2. The screen name "DouDuDu" directly expresses your weight and figure, suggesting that you are chubby, but also cute.
The screen name of "Fat House" is a kind of self-mockery, which means that you are an otaku or a otaku, and you will become so fat if you like to enjoy food at home.