Miuccia Miuller (ミュッチャー・ミューラー, Myutchā Myūrā), commonly known as Miu Miu (ミューミュー, Myū Myū), is a secondary antagonist featured in the sixth part of the JoJo's Bizarre Adventure series, Stone Ocean, specifically the "Jail House Lock"! story arc. Miu Miu is the lead guard[b] of Green Dolphin Street Prison. She clashes with Jolyne Cujoh and Emporio Alnino as she tries to prevent them from breaking out of prison.
https://jojowiki.com/Miuccia_Miuller

Mansaku Nijimura (虹村 万作, Nijimura Mansaku),[b] also known as Father Nijimura (虹村父, Nijimura-Chichi), is a tertiary character featured in the fourth part of the JoJo's Bizarre Adventure series, Diamond is Unbreakable. He was an abusive father and entered DIO's service, but the vampire's death causes the seed in his brain to turn him into a near mindless monster with regenerative powers.
https://jojowiki.com/Mansaku_Nijimura

Taoka (田岡) is a tertiary character featured in the eighth part of the JoJo's Bizarre Adventure series, JoJolion. Taoka is a reporter from the science journal "Pangea Land" (パンゲア ランド, Pangea Rando). He attends Satoru Akefu's lecture on regenerative medicine at the TG University Hospital.
https://jojowiki.com/Taoka

Vitamin C (ビタミンC, Bitamin Shī) is the Stand belonging to Tamaki Damo, featured in the eighth part of the JoJo's Bizarre Adventure series, JoJolion. It is a tentacular Stand with a hand motif. When someone touches the fingerprints it leaves, the victim will be softened to the point of liquefaction as long as they remain within range.
https://jojowiki.com/Vitamin_C

Gold Experience Requiem (ゴールド・エクスペリエンス・レクイエム, Gōrudo Ekusuperiensu Rekuiemu) is the Requiem Stand of Giorno Giovanna, featured in the fifth part of the JoJo's Bizarre Adventure series, Vento Aureo. It is an evolved form of Gold Experience created after being pierced by the Arrow, endowed with the ability to nullify the actions and will of anyone who opposes it.
https://jojowiki.com/Gold_Experience_Requiem

George Joestar II (ジョージ・ジョースターⅡ世, Jōji Jōsutā Nisei) is a posthumous tertiary character featured in the second part of the JoJo's Bizarre Adventure series, Battle Tendency. He is the son of Jonathan and Erina Joestar, husband of Lisa Lisa, and father of Joseph Joestar. George is a pilot in the Royal Air Force during World War I, who discovers that his superior officer is actually a zombie.
https://jojowiki.com/George_Joestar_II

Foo Fighters (フー・ファイターズ, Fū Faitāzu) is a Stand featured in the sixth part of the JoJo's Bizarre Adventure series, Stone Ocean. Although its original ability is unknown, Foo Fighters's Stand DISC grants a colony of plankton a shared consciousness and intellect, allowing the colony to both develop its own personality and fully weaponize its unique nature.
https://jojowiki.com/Foo_Fighters_(Stand)

Blue Hawaii (ブルー・ハワイ, Burū Hawai) is the Stand of Dolomite, featured in the eighth part of the JoJo's Bizarre Adventure series, JoJolion. It is a headless humanoid Stand that takes control of a single person at a time, with the host pursuing the target relentlessly.
https://jojowiki.com/Blue_Hawaii

Chariot Requiem (チャリオッツ・レクイエム, Chariottsu Rekuiemu) or simply Requiem (レクイエム, Rekuiemu) is originally the Requiem Stand of Jean Pierre Polnareff. It is a secondary antagonist featured in the fifth part of the JoJo's Bizarre Adventure series, Vento Aureo. It is the evolved form of Silver Chariot after being pierced by the Arrow. Chariot Requiem possesses the incredibly dangerous ability to manipulate souls on a massive scale.
https://jojowiki.com/Chariot_Requiem

Josuke Higashikata (東方 定助, Higashikata Jōsuke)[a] is the protagonist of the eighth part of the JoJo's Bizarre Adventure series, JoJolion, and the eighth JoJo of the series. Josuke is a young man afflicted with retrograde amnesia, lacking any memories prior to being discovered by Yasuho Hirose near the Wall Eyes in Morioh Town. He dedicates himself to discovering his former identity and those originally associated with him.
https://jojowiki.com/Josuke_Higashikata_(JoJolion)