YOU SAID:

My cousin is bad guy bacause he don't can't did

INTO JAPANESE

私のいとこはできなかったので悪役です

BACK INTO ENGLISH

I'm a villain because my cousin couldn't

INTO JAPANESE

私のいとこができなかったので、私は悪役です

BACK INTO ENGLISH

I'm a villain because I couldn't make my cousin

INTO JAPANESE

いとこになれなかったから悪役

BACK INTO ENGLISH

Villain because I couldn't be a cousin

INTO JAPANESE

いとこになれなかったから悪役

BACK INTO ENGLISH

Villain because I couldn't be a cousin