The tag implication #64006 elderly_male -> mature_male has been rejected.

Reason: The mature_male tag is used to indicate a male character is older, even in a solo piece where older_male would not be applicable.

old_man is a more informal tag, rarely used, with the same meaning as mature_male.

EDIT: The tag implication old_man -> mature_male (forum #409283) has been rejected by @scaliespe.

Belongs more somewhere among the old or elderly_male tags — which need to be sorted out/implicated at some point.
mature_male is for middle-aged, not for old.

The tag implication old_man -> mature_male (forum #409283) has been rejected by @scaliespe.