Dernard is Pepe's new henchman, a major antagonist of Brendam 2 and one of the two main antagonists of the final installment of the Brendam series. In the second film, he is bitter, devious, angry, mad and mean. In the last film, he is a mischievous, playful, sweet and kind mouse but at the end, he is a bitter, murderous, mean, evil, power-hungry villain. He is Bernard's cousin.