It has to be stylized, it’s an entertainment medium and an art form, so liberties are going to be taken in that regard and that’s to be expected…But, in saying that, I agree with you. I think his hair needs to change. (eyes do look funny too)
Not sure about the monk style do
but perhaps something just longer and a bit more unkempt than the contemporary shaved sides long on top style quiff. It certainly doesn’t align with the era or time period as it is right now.

He has really deep voice, sounds like a 40yo guy and has imo pretty weird intonation.