Chicago Explosion

The explosion involves Chicago med, Chicago Fire, Chicago PD. It happens in S2. Episode 20. What happens is theres a A car bomb explodes outside the hospital, where Casey and Dawson are volunteering for a charity run, sending Chicago into chaos and leading to a search and rescue mission. Its called a Dark Day. Anyway on with the characters in this. Theres Matthew Casey, Kelly Severide, Gabriela Dason, Leslie Shay, Peter Mills, Christopher Herman, Joe Cruz, Otis Zvonecek, Randall McHolland, Chief Wallace Boden, Stella Kidd, Hank Voight, Antonio Dason, Jay Halstead, Adam Ruzek, Erin Lindsay, Kim Burgees, Kevin Atwater, Alvin Olinsky, Dr. Will Halstead, Dr. Daniel Charles, Dr. Natalie Manning, Sharon Goodwin< About you. You can be male, female, any age, you can be related to any of them, you can be a cop, firefighter, or paramedic up to you. Let me know in comments if im missing any characters