Professor E. Gadd

The Professor Elvin Gadd, more known as Professor E. Gadd or E. Gadd (for short), is, in the Mario series a small and old experienced researcher with knowledge in various domains, especially the paranormal, who can help Luigi and Mario with his knowledge. In real the Mario games, he appears in the series "Luigi's Mansion" and in the two first episodes of the "Mario & Luigi" series ("Superstar Saga" and "Partners in Time"). In SuperMarioGlitchy4's blooper, he appeared only in the video "Time Travel Tells".

Appearence in SuperMarioGlitchy4's bloopers
The Professor E. Gadd appeared only in the video "Time Travel Tells".