New category because I have like more than 150 OCS here, I will probably not list them all because I'm editing some of them + rewriting the giant AU
Kanto:
- Satoimo/Taro, Water-type GL (Gym Leader in Otoro)
- Shouma (prev: Aiko), Normal-type GL (Gym Leader in Otoro) Her name comes from Hitotsuba Shouma, Astilbe japonica
- Akira
- Hasu (Taro's mother) Her name comes from Nelumbo nucifera
Johto:
- Eli, Dark-type GL (Gym Leader in Otoro) her name means "elevated" or "high" as her circus artist status suggests
Hoenn:
- Shion, Flying-type E4 (Elite Four of Otoro) His name comes from Aster tataricus
- Prof. Matsumoto (Professor in Empenza) Her last name means place of the divine pine tree
Sinnoh:
- Ryuketsu/Noah, Dragon-type E4 (Elite Four of Otoro) His name comes from the dragon's blood tree, ryuketsuju
- Prof. Sakurakoji (Professor in Empenza) Her name means cherry blossom, her previous name was Sakuragi but I had to change it when Sakuragi came out in the Pokémon Journeys anime.
- Dango (Grimsley's ancestor, from Hisui) His name comes from dangleberry, accompanying Giima/Grimsley's pattern
- Oxydian/Odelia (Grimsley and Blanchard's mother) Her name is a mix between oxycoccus and the gem obsidian
Unova:
- Abigail, from Gila, genus of cyprinid fish
- Thomas, from τομη (tome) cutting or cleaving, περιτομη
- Britney
- Kristen "Kris", Risk
- Hakku/Ripley (Grimsley and Blanchard's father) His japanese name comes from Vaccinium huckleberry
- Ringo/Blanchard (Grimsley's older brother) His japanese name comes from Vaccinium lingonberry, Blanchard means bordering on white
- Gem/Jenna (Blanchard's daughter, Grimsley's niece) Her japanese name comes from Vaccinium corymbosum 'Georgia Gem' or simply from the word "gem" itself, Jenna means white shadow or Fair Phantom
- Tama/Lulu (Blanchard's ex-wife, Jenna's mother) Both her names mean "pearl"
- Dango (Grimsley and Cynthia's son)
- Drayna/Yarai (Drayden's daughter, Drayce and Drayton's mother)
- Drayce/Hanashobu (Drayden's elder grandson, Drayton's older brother)
- Joyce Joy (Cilan's wife)
- Zea (Cilan/Joyce's daughter)
- Grain (Cilan/Joyce's son)
- Edwin
- Anthony
- Barley
- Chiga/Georgia, Grass-type E4 (Elite Four of Otoro) Her name comes from Imperata cilindrica, chigaya in japanese, or Symphyotrichum georgianum
- Shiran/Nathan, Ice-type E4 (Elite Four of Otoro) His name comes from Bletilla striata, shiran (purple orchid)
- Diana
- Dokuga/Blair, supply E4
- Lorraine (Emily&Eleanor's mother)
- Savannah
- Malus/Malina, from the apple subtribe Malinae in the rose family (disguise name(s): Gina (as Aether Foundation disguise), Sumire (Blueberry Academy student disguise))
Kalos:
- R13: Rina from C. Tangerina/N-1030: Nora (Clemont's android)
- Amidon/Jean (Striaton Trio's father)
- Acheron (Alexander, Jordan and Helena's father)
- Lilium/Lirion (disguise name(s): Blanco (as Aether Foundation disguise), Lukan (Blueberry Academy student disguise))
Alola:
- Ike & Kei
- Rin
- Toma (Taro's father) Literally from tomato
- Fuku/Felicity, Fairy-type GL (Gym Leader in Otoro) Her name comes from Adonis amurensis, fukujusō
Galar:
- George (Emily&Eleanor's father), name from English Rose Teasing Georgia
- Barbora (George's mother), from Decumaria barbara
Paldea:
Ferrum:
- Factory Head Namhae (from Namhae wild pear or spiraea)
- Arcade Star Seomsi (from Ulleungdo hare's ear)
- Palace Guardian Yeonri (from Venose vetch)
- Dome Superstar Hanrasan (from Hallasan azalea)
- Tower Tycoon Jangdae (from Maximowicz's berteroella)
- Salon King Taeksa (from Channeled water plantain)
- Arena Ace Geomun (from Geomundo false ohelo)
Otoro (based off Australia):
- Prof. Wattle
- Orville (Female protag Pokémon Opal)
- Wilbur (Male protag Pokémon Opal)
- Kibune/Jack, Rock-type GL, His name comes from Kibune giku, Anemone hupehensis var. japonica, after Mount Kibune
- Aka/JD, Fire-type GL, His name comes from Aka Shouma, Astilbe thunbergii
- Eric/Hector, Electric-type GL, his name comes from Ericaceae
- Leeth, former member of Team Innovation and Team Skull, his name comes from Heath
- Bana/Mandy, Champion of Otoro
- Bellatrix, Team Innovation Admin, her name comes from the Bucculatrix moth or the Amazon Star
- Yucca/Yulia, Team Innovation Admin, her name comes from the plant itself or the Yucca moth
- Hercules/Henry, Team Innovation Admin, his name comes from the Hercules moth, Henry comes from the first australian entomologist that described it
Kalidi (Abruzzo, Marche, Molise, Campania, Basilicata, Puglia, Calabria, Sicilia, Malta):
- Denji/Simon, Electric-type GL
- Rekka/Ignatius, Fire-type GL
- Clow, Fighting-type GL
- Sativus, Grass-type GL
- Tupelo, Psychic-type GL
- Curd, Poison-type GL
- Nyssa, Fairy-type GL
- Barbara D'Ursaring, Psychic-type E4 (Elite Four of Maneat)
Maneat (Papal State, mainly Lazio):
- Turlach/Terence, Both his names come from the lake Turlough (Male protag Pokémon Garnet)
- Shannon, from the river Shannon (Female protag Pokémon Garnet)
- Stella, Team Aestus Leader
- Laila, Dark-type GL (Gym Leader in South Kalos)
- Valeria Mareanie, Poison-type GL
- Ilary Blastoise, Dragon-type E4
- Alessia Maractus, Ground-type E4
- Taiga/Katrina, Dragon-type GL (Gym Leader in Kalidi)
- Milki Princesses:
- Ines, Steel-type GL
- Shailyn, Fairy-type GL
- Kotori, Dragon-type GL
- Paolo Bonsly
- Luca Lurantis
Cannah (Veneto, Friuli, Trentino, Istria, Dalmazia, Montenegro, Albania, Peloponneso, Creta, Cipro):
- Abel
- Arturus
- Madara, Fighting-type GL
- Kale, Dark-type GL
- Kunal, Steel-type GL
- Wisteria, Ice-type GL
- Clove, Rock-type GL
- Myrthle, Dragon-type GL
- Parsley, Water-type GL
- Rue, Psychic-type GL
South Kalos (Southern France, Corsica, Piemonte, Toscana, Valle D'Aosta, Liguria, Lombardia):
- Terra
- Maria Decidueye, Champion of Maneat
- Federica Poochyena, Water-type E4 (Elite Four of Maneat)
Empenza (basically Paldea and Nusa region/Sardinia):
- Berna, Team Divine Leader
- Undha, Water-type GL
- Tirgu, Rock-type GL
- Wylan, Ground-type GL
- Leif, Fairy-type GL
- Shizue/Simanta, Ghost-type GL
- Sireli, Bug-type GL
- Hazel, Normal-type GL
- Artu, Flying-type GL
Ultra Space:
- Aisumo/Aito (member of Ultra Recon Squad), Aito means sea, ocean; Aisu - 愛 means "love, affection, fondness." and "mo" means star of the sea; or Alocasia 'Sumo'
Mixed relatives:
- Setsuna/Emily (Galar, Unova, Kalos), "setsu" theory, or Setsu Gekka Camellia, or Emily Chrysanthemum
- Kōkina/Eleanor (Galar, Unova, Kalos), Ghost-type GL (Gym Leader in Otoro) whole name Kokina yami, noble darkness, or Kokia kauaiensis, or Mimulus (Diplacus) 'Eleanor'
- Megairo/Jordan (Kalos, Unova, Galar), Leader of Team Innovation (in Otoro) from Magaera, the river Jordan and/or Hemerocallis Jordan
- Alecto/Alexander (Kalos, Unova, Galar) from Alecto, the city Alexandria and/or Lysimachia punctata ‘Alexander’ (Yellow Loosestrife)
- Tilphousia/Helena (Kalos, Unova, Galar) from Tisiphone, the city Helena and/or Helena Red Shades