Thumper is the friend of Bambi and Flower. But of course, Thumper can be seen during Bambi's birth celebration. Which reveals that Thumper is older than Bambi, or he is a adolescent rabbit who tends to grow up at the end of the film. He encourages his family. He dislikes his younger sisters, because they tease him and Diamond, my fan-made name for Thumper's mother. Agrees with her daughters. In Bambi II, he is teased and that reveals that their personality is cheeky, adventoures, clumsy, teasy, and funny.