[Levski]

Originally Posted by aliensporebomb

There's Kage Kora Momoru where his outward appearance is wimp city
but he's actually a ninja who is protecting his next door neighbors'
daughter (who later falls in love with him).

And yeah, Harima Kenji from School Rumble is the archetype
bad-ass motorcycle riding, gang fighting character but he's
not an idiot, he eventually is shown as a fairly smart guy too
but he has one weakness.

Tenma-chan?