Type 4: Ash's Superpowered Evil Side, Blainenote as the only Gym Leader seen to control the Master Pokémon of their type, Sabrina, Dragonight, Elite Four members, Missingno., Duplicanote can transform into anything, including Legendaries, individual Forbidden Pokémon.
Type 5: Gary, Giovanni, multiple Forbidden Pokémonnote all three have started the apocalypse at one point or another.
Type 5: Mecharu, Yuki, the Data Integration Thought Entity, Kuyonote presumably; she never actually fights, Miyuki (at the end), Suno (at the end), Fujiwara (who is actually the original Kyon), Kunikida.
Type 3: Elrond, Galadriel, Celeborn, Maglor, Maedhros, Thranduil, Glorfindel, the Nazgűl, Harry (during most of The Wizard in the Shadows), Gandalf the Grey, Radagast the Brown, Eärendil, Elwing, Cedric Diggory, Ents, Oliphants.
Type 4: Harry (by the end of The Wizard in the Shadows and the start of From Out of the Shadows), Dumbledore, Voldemort / Wraith Voldemort a.k.a Voldywraith, Gandalf the White, Emrys, Eirian, Nimue, the Witch-Kingnote Harry can chase off even the Witch-King with a Patronus because it’s the Nazgűl’s chief weakpoint, Olórin, Saruman, Sauron without the Ring, theoretically, the wielder of Excalibur. Alsonote The following qualify on their better days and at full strength. Otherwise Type 3 The Marauders, Severus Snape, Ron, Hermione and Ginny.