Original Angry Hippo file(remix+220599) had many versions in the original the art work that was created in Adobe Illustrator. Removed all unnecessary versions and saved finished product.
This is a completely free image Angry Hippo (updated) that you can download, post, and use for any purpose.
Image License: CC0 No Rights Reserved
You can copy, modify, distribute and perform the work, even for commercial purposes, all without asking permission, and at no cost. This image is completely free.