Solidly ID

• Green/Gary Oak (Pokemon)
• Aomine Daiki (KNB)
• Sans (Undertale)
• Kururu (Sgt. Frog)
• Adam Parrish (TRC)
• Haymitch Abernathy (THG)
• Essek Thelyss (Critical Role)
• Five (TUA)
• Kurogane (Tsubasa)
• Akabane Karma (Assassination Classroom)
• Aizawa Shouta (BNHA)

Maybe

• Lillium White (CTC)
• Stitch (Lilo & Stitch)
• Eichi Tenshouin (Enstars)
• Sakakura Juzo (Danganronpa)
• Naberius Kalego (Mairimashita! Iruma-kun)