from joseimuke/idol/music adjacent media:

• arashi, ritsu, keito, tsukasa, crazy:b, valkyrie, adonis, anzu - enstars
• owen, nero, mithra, shylock - mhyk
• renga, ushio, nagi, ev3ns, nanaki - 18trip
• minami, haruka, tenn, revale, iori, mezzo - ainana
• rikai, ohse, iori - crsm
• atan, momochi, nightmare - dearvo
• billy, marion, faith, bianchi - helios
• tomori, anon, umiri (honestly all of mygo and avemu) - bandori
• tsubaki, hayate, lumina - d4dj
• bae, cozmez, buraikan, kenta, toma - paralive
• mizuki, rui, minori - prsk
• sua, mizi, till - alnst
• nayuta - argopro
• riddle - twst
• also hatsune miku my queen forever

other games:

• towa, rei - slow damage
• clear, aoba, sei, mizuki, noiz - dmmd
• sunday, stelle, march, aventurine, jiaoqiu, yanqing - hsr
• alhaitham, kaveh, kazuha, yanfei - genshin (i stopped playing ages ago but theyre still very dear to me <3)
• kel, sunny - omori
• tairitsu - arcaea
• typhon, lotto - chunithm

animanga:

• kou, mitsuba, sakura, teru - tbhk
• ryo, bocchi - bocchi the rock
• marcille, mithrun, falin, izutsumi - dunmeshi
• vash, wolfwood - trigun
• qifrey - wha
• tomoe, kurama - kamisama kiss
• lelouch - code geass
• maomao, jinshi - apothecary diaries
• taichi - chihayafuru
• ranpo - bsd

+ more i dont feel like listing all of them lmao