Original Appearances: Felix the Cat cartoons (Trans-Lux 1958)
Other Appearances: Probably some comic book appearances.
Biography: Rock Bottom was the bumbling sidekick to The Professor, Felix the Cat's arch-foe. Rock has a tendency to take everything the Professor says literally.
Group Affiliation: Sidekick to The Professor.
Miscellaneous: One wonders why the Professor would continue to employ Rock Bottom, given how often he inadvertantly foiled the Professor's attempts to get Felix's magic Bag of Tricks.