Just something related, but here's the list of Personae that belong to the Pierrot and Aeon arcana in this game. Some that were already were in the PS2 version of the game had their arcana changed, and they also included some Personae from P3 that were never implemented in the original P4:
Each of them has one completely new Persona for the series in it's entirety as well. They are
Baphomet (Lvl. 47 Pierrot) and
Kushinada-Hime (Lvl. 44 Aeon).