Nosey

Nosey is a sea-monster that lives in Lake Nose. He can't survive in many other places, because he lives off of zinc, which he absorbs from the water through his skin. Most people call him "The Lake Nose Monster," but Phineas and Ferb named him "Nosey." He doesn't want anyone to find out he exists, so he tries to destroy any images anybody gets of him proving he exists.