North Korea routinely attacks South Korean and US assets in its area like the sinking of Cheonan. North Korea is strongly allied with its other neighbors China and Russia.

Iran is not organized around an expansionist death cult. They have not expanded or attempted to expand at all. They are involved in lots of neighboring conflicts because they are in a region with lots of conflicts. We are also involved in lots of conflicts there.

There is no possible closer comparison for a nuclear Iran than nuclear North Korea.

It's so despicable and dishonest what you're doing equating NK's support for nation states to Iran's support for Quds proxies that receive thousands of missiles and rockets directly from Iran, hijack the sovereignty of the countries they're inside of, worship the Iranian leader as a pope-like figure, assassinate rivals domestically and kill hundreds of thousands of people. Liar.