Why Zany?

Honestly, the only reasonable answer I can come up with is, why not?
Here, from the American Heritage Dictionary:
za·ny (zā’nē)
adj. za·ni·er, za·ni·est
Ludicrously comical; clownish.
Comical because of incongruity or strangeness; bizarre.

It’s definition two that resonates for me. I adore that which is comical because of incongruity or strangeness. In truth, I dote [...]