Professor Pyg was created in 2007.
Pyg was created in 1971.
Guarani (PYG).
Professor Elemental was created in 2005.
Professor Unrat was created in 1905.
Professor X was created in 1963.
Professor Challenger was created in 1912.
The Professor's House was created in 1925.
Professor Potter was created in 1957.
Rajagopal - professor - was created in 2010.
Professor Ratbaggy was created in 1999.
Professor Phobos was created in 1981.
Professor Power was created in 1982.