Every story serves a function even supposing it's only to get your audience to laugh. Allow the characters reveal themselves as they act and speak, just as people reveal themselves in life, and only mention information on their physical unbelievable death story appearance when it's relevant to the story the central character is discovering that unique attribute at that special time.
As an effect of their one disobedient action, all of mankind had to be born into an imperfect fallen world subject to death, corruption, demonic spirits and bad and wicked those death story who have selected with their free wills to live this life on the dark side - thereby causing untold pain, death and misery to millions of people throughout the ages.
In effect we have to embrace the style of the principal character while composing the story in substantially the same Manner an actor embraces the style of the character he 10 unbelievable death story is playing on stage. There is never any need to describe a character just for the sake of it. Like everything else in the story characterisation is simply important insofar as it leads to the plot, and should be done through activity.