Resurrection of the Professor Pericles.

Professor Pericles & The Entity's Return
When they'd thought that the entity's had been destroyed. The Siren, Forte Caprius Dazzles insist on planning to build a machine to bring his only master back from the time stream. In whichever reason, brought back his Master but bringing back the once-defeat brilliant bird genius, Professor Pericles on the Plains of Into The Unknown territory on Equestria.