A film still from <a href="//commons.wikimedia.org/wiki/Winsor_McCay" title="Winsor McCay">Winsor McCay</a>'s 1911 animated film <i>Little Nemo</i>. Nemo and the Princess ride in the mouth of a dragon.
<bdi><a href="https://en.wikipedia.org/wiki/en:Winsor_McCay" class="extiw" title="w:en:Winsor McCay"><span title="American cartoonist and animator">Winsor McCay</span></a>
</bdi>
1911
<a rel="nofollow" class="external text" href="http://i629.photobucket.com/albums/uu18/inkandpixelclub/Nemo/nemo01.jpg">Here</a>