Extra fact : Izaya's voice actor, Hiroshi Kamiya, and Shizuo's voice actor, Daisuke Ono, are actually best friends in real life ✨ . This makes me so happy. And YES, that ARE cannon. << Damn right they are.
Hiroshi Kamiya ~~~ Brilliant seiyuu. Hibiki from devil survivor 2, Izaya from durarara, souma from working, akashi from kuroko, otanashi from angel beats, natsume from natsume yuujinchou, gareki from Karneval, Levi from AOT, yato from noragami, art from hamatora and so many more!!