Wikia is a free-to-use site that makes money from advertising. We have a modified experience for viewers using ad blockers
Wikia is not accessible if you’ve made further modifications. Remove the custom ad blocker rule(s) and the page will load as expected.
Mountain Mike is Bert's great-great grandfather, as mentioned in What's Up in the Attic?. Mountain Mike was a rugged frontiersman, who once wrestled a bear with his bare hands. Mike's jacket and coonskin cap are amongst the items accumulated in Bert and Ernie's attic.