The Best And Worst Parts Of Eric And Donna's Relationship On Dina on that 70 series was a popular figure in the times. She charmed all the souls of countless fans with her exclusive personality. Don was portrayed as being a girl entire of energy as well as attitude. Her character represented this fashionable and cool subculture of the time period. Diane's presence during this seventies show will certainly remain etched to be a important element in its success.