Mij
Mij (sounds like Midge) is the name of an otter animal character, played by a tame otter, who starred in the movie titled "Ring of Bright Water" (1969) alongside English actors Virginia McKenna and Bill Travers, who also starred in Born Free (1966) with Elsa the Lion.
"Mij is quite a friendly fellow once you get to know him. Just don't leave your fish bowl unattended with him in the room."