Who are the characters and what things are

How Elvis and Penny and Sam and Ellie and Jerry and Candy and Dusty and Flame and Swimmer and Ember and Radar and Heat and Fireball and Firedisc and Firesnow and Merry and Tom and Dingo and Ben and Nana and Waverunner and Wavesplasher and Wavediver and Mountainjummper met! I want to give thanks to @gaefokbetch for helping me with my story Firefighter Love.