Furio Tigre

Season 6
The return of Phoenix Wright after his tragic death, although a bit... different. Works under The Three Kings.

May have, in fact, been Nyarlathotep, as well as Butler.

Episode 13
Fights some Butler guy for a strange case and loses.

Episode 14
Joins Makoto in Dlanor in fighting Tatsuya's Party trying to swindle them.

Episode 17
Puts one last fight with his friend Retinz.

Season 7
A guy with 0 relationship with Phoenix Wright. Really, nothing.

Episode 6
Becomes the next assistant after Phoenix quit and Maximillion Pegasus takes over.

Episode 7
Cockblocks Pegasus' attempt to recruit Erwin Smith.

Bans Akasaka's Karate.

Episode 9
Fights Kyle Hyde one last time after taking a "special legal substance".

Akasaka Mamoru rushes to catch him after his match for his part in the conspiracy with Sminem & The Bogdanoffs.

Off-season 7
After being sent to prison, Furio proceeded to go more and more insane, carving a bloody legacy within in the prison walls of the Southtown Correctional Facility when he single-handedly genocided an entire ward (TWICE due to mind tricks). And with the help of a defense attorney and his charismatic and convincing arguments, he managed to serve his sentence with a kill count that rivals even BANS. Although legally he hasn't killed anyone because it wasn't proven in court...

Trivia

 * Was first "foreshadowed" in the S6 "rumor recap"
 * This, in fact, turned true because of Rumors.
 * Actually wasn't Phoenix Wright wtf.