She is a relatively young Caucasian female with ginger hair in a bumblebee hive hairstyle and purple eyes, and originally wore a white and pink jumpsuit. Daphne stated to Velma Dinkley that Dawn has a sixth toe on one of her feet. (Revenge Of The Man Crab) However, once the timeline changed, she was wearing a light purple dress suit and wheel heels, but still maintained her hairstyle.
Dawn had been engaged. As part of her engagement announcement, she tried to train chickens to spell her name, but failed somehow. (Daphne thought it could have been done easily using corn and electrical wire.) (Pawn Of Shadows)
Scooby-Doo! Mystery Incorporated
After the timeline was reset, she along with the rest of Daphne's sisters were no longer holding their successful careers.