YOU SAID:

the supervillain is a litterbug.

INTO JAPANESE

悪玉は捨てる人です。

BACK INTO ENGLISH

People throw out is bad.

INTO JAPANESE

人を捨てては悪いです。

BACK INTO ENGLISH

Throw away those who are bad.

INTO JAPANESE

捨てる人が悪い。

BACK INTO ENGLISH

Bad people.

INTO JAPANESE

悪い人。

BACK INTO ENGLISH

Bad people.