we will be doing a role play of what happens if Sonic the ehdgehog met Poison ivy one of batmans villains from justice league have met?* lets do this.* Premise. The series focuses on the adventures of Sonic, Tails, Amy, Knuckles and Sticks—the main characters in the Sonic Boom series of video games—as they protect their home village on Seaside Island from attacks by Doctor Eggman and his robot creations, as well as other villains and hostile beings.Pamela Lillian Isley, also better known by her supervillain name Poison Ivy, is a supporting antagonist in Injustice 2, the second installment in the Injustice franchise. She is a plant controlling supervillainess who frequently battles with the Dark Knight, Batman.*