Mr. Skunk is, as his name suggests, a skunk. He initially believed nobody wanted to kiss him, until he got kissed by Mother Bear and began to feel more confident as a result. He is married to Mrs. Skunk.
In The Kiss, Mr. Skunk fell in love with Miss. Skunk, and they agreed to marry each other. In The Wedding, he wore a top hat with a pink flower in it and they got married.