Sill is the brother of Cecil.
Bio[]
He along with Cecil began a pursuit to get some eggs that Tini and Gogo were bringing to Zambezia they cornered them to Tendai and Kai's home until Sill accidentally slipped on one gogos bananas and got stuck in a branch and tendai tried to help and said "stop biting i'm trying to help" and sill drowned off screen and as not seen for the rest of the film and was mentioned several times by Cecil. He was voiced by Frank Welker.