When insulted, hurt or embarrassed, Winry is prone to lash out violently - though typically the victims of such tantrums are Ed and Al, in which case she has been known to use her own wrench as her main weapon. One sure way to earn her wrath is to damage her automail creations.
Winry is an attractive young woman with long, light blonde hair and blue eyes.
She has a petite, girlish figure and is slightly taller than Edward for most of the story.
Though Edward spends much of their early life taunting her for having "no sex appeal", Winry's figure becomes progressively more shapely over the course of the story.
Winry is a very emotional, strong-willed and emphatic person who puts all her heart and effort into the things she does.
It is likely this care that makes her so popular with her clients in Rush Valley, all of whom are greatly moved by the attention to personal detail that she willingly gives to each of them.