Hanging Is Too Good

Hanging is too good for Jack.

--- English Saying

If Jack (or anyone) is a villain, wrongdoer, criminal, you can say:

Hanging is too good for Jack.

もしもジャック (誰か) が悪党 (悪い人、犯罪者) なら、英語ではこう言える。

ジャックには吊るし首がぴったりだ。

→About "Life is a Joke "
→hang oneself (「首をくくる」の例)