To give a glimpse of my tastes, here are some of my favorite characters for some of the series I'm into:

• Granblue Fantasy: Nezahualpilli, Aoidos, Albert, Yurius, Lennah, Silva.
• Pretty Cure: Yumehara Nozomi, Nono Hana, Hanasaki Tsubomi, Midorikawa Nao, Yuni, Westar.
• Inazuma Eleven: Fudou Akio, Sakuma Jirou, Genda Koujirou, Break Trio. (GO: Kariya Masaki, Kirino Ranmaru, Beta)
• Twisted Wonderland: Literally everyone. Savanaclaw main oshi though!
• Fire Emblem: Eirika, Ephraim, Lyon, Ike, Elincia, Sanaki, Edelgard, Hubert, Annette.
• Im@s: Haruka Amami, Chihaya Kisaragi, Miho Kohinata, Shin Sato, Amagase Touma, Michio Hazama.