Aaron was embarrassed when Lucy teased him for designing. He is artistic becuase he has a passion for design. He is determined because, despite what Lucy said, he still became a designer, her is every more famous now! Lucy is mean because he teased Aaron for liking design.
I think Aaron is all of them except for mean. I think Lucy is only mean. That's just what I think from reading the passage. I may be wrong tho. I wish you the best of luck! :)