Kaneki – He starts out as a Villager, before becoming a Master of Arms a couple of months after Yamori’s torture.
Hide – Hide is the Dancer class.
Shuu – Shuu starts out as a Cavalier in TG: Pinto, but in Tokyo Ghoul, he is a Paladin.
Touka – She starts out as Pegasus knight, and becomes a in :Re is a Falcon knight. She chose it over becoming a Kinshi knight because she wanted to be able to heal, as well as fight.
Hinami – Starts out as a Shrine Maiden in Tokyo Ghoul, but in Re: she becomes an Onmyoji.
Yomo – He starts out as a fighter during his childhood, but in Tokyo Ghoul and :Re, he is a Berserker.
Nishiki – Nishiki is a Kitsune that becomes a Nine-Tails when he becomes an S-rank.
Eto – Eto was a “Nohr Princess”/One-Eyed Ghoul before changing into a “Nohr Noble”/One-Eyed Owl.
Tatara – Tatara is a dread fighter.
Noro – Noro was a Dark Knight upon taking Eto in, but before that, he was a dark mage.
Naki – Naki was a dark mage, but became a Sorcerer after meeting Yamori.
Ayato – In Tokyo Ghoul, he is a Wyvern rider, to contrast Touka, but in Re: he is a Wyvern Lord.
Arima – Arima started out as a Villager, before becoming a Merchant, after which he reclassed into a Cavalier and then into a Great Knight.
Amon – Amon starts out as a Knight, before reclassing into a General after Mado’s death.
Akira – Akira was a lancer, before becoming a Spear Master at the end of Tokyo Ghoul.
Seidou – Seidou was a Bowman, before becoming a Sniper when he fought Tatara in Cochlea. With Aogiri, he became an Outlaw, before becoming an Adventurer sometime between the Auction arc, and the Tsukiyama family extermination arc.
Suzuya – Suzuya started out as an outlaw, before changing into ninja and eventually becoming a master Ninja.
Mutsuki – Mutsuki stared out as a Monk, before reclassing into a Great Master after the auction arc.
Urie – Urie started out as a Samurai, before becoming a Swordmaster right before :Re started.
Saiko – Saiko was a troubadour before becoming a Strategist after the battle with Noro.
Shirazu – Shirazu was a Mercenary before becoming a Hero after killing Nutcracker.
Shinohara – Shinohara started out as a Knight, before becoming a Great Knight.
The ghoul’s weapons ranks are based on the character’s rank as a ghoul.
C-ranked ghoul -> E-ranked weapon
B-ranked ghoul -> D-ranked weapon
A-ranked ghoul -> C-ranked weapon
S-ranked ghoul -> B-ranked weapon
SS-ranked ghoul -> A-ranked weapon
SSS-ranked ghoul -> S-ranked weapon
For the CCG/Humans, the weapons ranks are based on what type of ghoul they can exterminate.
3rd Rank -> E-ranked weapon
2nd Rank -> D-ranked weapon
1st Rank -> C-ranked weapon
First Class Investigator -> B-ranked weapon
Associate Special Class Investigator -> A-ranked weapon
The smartest of the investigators in the CCG and the dumbest of the executives in Aogiri. For characters who come from complete opposite places, they’ve ended up crossing blades more than once.
Which is important, because when an event repeats itself it’s a parallel and that repetition automatically draws attention to itself. The narrative is setting up Naki and Akira to be classic foils, and there is some interesting things you can learn about Akira as a character herself just by comparing the two.