create alias hisoka_(hunter_x_hunter) -> hisoka_morow
His family name doesn't seem to be a spoiler IIRC. And redirect the 'cosplay' tag for him, too.
EDIT: The tag alias hisoka_(hunter_x_hunter) -> hisoka_morow (forum #153814) has been approved by @Hillside_Moose.
Updated by DanbooruBot