| Mandark Astronominov
| Character Information
Susan "Mandark" Astronominov is one of the main characters from the first few chapters of Powerpuff Girls Doujinshi. He is killed when he tried to commit suicide and was meant to take Dexter with him but he escaped. He is orginated from Dexter's Laboratory.
Mandark had a long rivalery with Dexter. Once he broke in his lab along with his Jackbots and started to destroy it. One of his Jackbots aimed to Dexter but Dee Dee saw it and jumped in front of it and was fatally wounded, after which he retreated. Dee Dee then died shortly after he did so.
After the tragedy, Mandark was in a deep depression until Bell came to him to say to come with her for a better life. For Bell, Mandark became her own big brother. Mandark had to prove himself to Dr. X and to do that he had to do one more thing destroy his archrival Dexter. Mandark captured Blossom with the help of Bell and the Clusters.
When Dexter came into his lab they began to fight. After the fight Dexter freed Blossom. Dexter blamed him of the death of Dee Dee and that he doesn't know to have a sister. Mandark told Dexter about his sister Olga. He became mad and thought Dexter wanted to kill Olga and summoned a giant Cluster to fight Dexter. The Cluster grabbed Dexter who became unconsious. Buttercup then came in and destroyed the Cluster and freed Dexter. Mandark then only had one option he commited suicide but took the rest with him. He activated several bombs that began to count down. Suddenly the Megas came in to save them and Dexter and the girls were saved and left Mandark to his fate. When Mandark's Laboratory exploded it also killed him.