He seems to have inherited no spiritual powers from Jun, instead being plagued with the cursed blood of the Mishimas.
Blessed with Suck: A "child of destiny"? A more accurate descriptor would be a "child of suck".
Black Sheep: Of the Kazama family because he caused a war that kill millions.
Big, Screwed-Up Family: The fourth generation of a family that just doesn't quite see eye-to-eye.
Big Bad Ensemble: With his Father, Kazuya in Tekken 6 with Azazel as the Greater-Scope Villain.
Out of these, only Heihachi managed to survive unscratched, with Hwoarang taking a severe beating that gave him weeks in the hospital and the UN helicopter carrying him blown up in flight (presumably with its pilots still inside) by Devil Jin's laser beams. Heihachi's attempt on his life at the end of the third tournament, Hwoarang defeating his human form during the fifth tournament and UN soldier forces capturing him in between the sixth and seventh tournaments, are all events known to have triggered his transformation into Devil form.
To a lesser extent, he will also transform unconsciously if his life or at least his physical integrity are threatened.
Berserk Button: His own father and grandfather piss him off due to their immoral and twisted actions that causes Jin to really hate them.
It returns in Tekken Revolution as a DLC costume, and is available in Tekken 7 as a customization item.
Badass Longcoat: Wears one in his fifth game epilogue, and gains it as his second costume in Tekken 6.
His mom fought off Ogre to keep him safe, let that sink in.
Badass Family: Although the entirety of Jin's bloodline is all messed up, you gotta admit that they are still pretty awesome.
Badass Crew: Which includes Eddy and Nina.
Badass Baritone: Mainly his English voice in Tekken: Blood Vengeance.
Badass Biker: Several cutscenes feature him riding around on a motorcycle.
Badass Army: His army of Tekken Force in 6, though he loses them after the Zaibatsu is retaken by Heihachi in 7.
Back from the Dead: His (canonical) ending in 3, thanks to the Devil Gene.
This may be why he no longer has this in 7. The impractical part of this is that it takes some precise inputs to even assume the stance to begin with, which is why no serious Jin player actually makes use of this, making this more of an Easter Egg than anything else. And in Tag 2, Jin's special combo with Devil Jin starts from him in this stance. There's also a visual indicator of him assuming this stance, as his fighting pose will resemble that of Heihachi. Starting in 6, however, this actually allowed him to access his old Tekken 3 movelist for a few moves, primarily those similar to Kazuya or Devil Jin. Up until 5, this merely buffed a couple of his moves, as well as gave him some extended combo strings, similar to Bryan's Taunt move.
Awesome, but Impractical: Starting in 4, Jin was given an additional stance named Omen.
As of 7, he and his Devil form are the only ones wearing these gloves, as Kazuya doesn't wear them anymore (at least in his default outfit). Notably, in his Devil form, as well as his human form from 6 onward, he's wearing Kazuya's gloves again. After going his own way, his personal trademark is now his Power Tattoo, as well as the three-armed spiral on his own gloves.
Arc Symbol: His introduction in 3 has him wearing Kazuya's trademark gloves.
The Atoner: He's set to kill Kazuya during the epilogue of 7, to put an end to the very war that he himself started.
He never finds out that the Devil Gene came from his long dead grandmother Kazumi, meaning that he started the war for no reason and now a lot of people want him dead, which might have been part of his motive anyway since he pretty much feels that having the Devil Gene makes him too dangerous to live.
All for Nothing: Started a war to lure out Azazel, the supposed originator of the Devil Gene.
Kazuya and Heihachi), he'll ask you to forgive him for beating you into a bloody pulp.
Apologetic Attacker: In 4 and 5, as long as you're not on his hitlist (i.e.
Antagonistic Offspring: To say that he detests his evil father, Kazuya Mishima, would be putting it mildly.
Later more of a Disc-One Final Boss before Azazel.
The Antagonist: In Tekken 6 after his FaceĀHeel Turn.
His hair also bears a resemblance to Sasuke Uchiha's.
In Dark Resurrection, one of his custom items is a new hairstyle that looks identical to Super Saiyan Goku's hair.