Air Nippon: see ANK

Air Niugini

A bird of paradise on a barfbag? Yes, but only if it's from Papua New Guinea. 

Air Niugini (retypeset)

The Air Sickness Bag has a ritzy new typeface.

Air North

Not worth flying this Canadian airline: all you get is a plain white bag - like the tundra up there in Yukon. Not even a thumbhole to relieve the tedium.