So They are basically object show characters based on warrior cat death here are a few
Bubble- Silverstream
Rocky- Snowkit
Oj: Longtail
Salt: swiftpaw
Book: Cinderpelt
Ice cube: Mosskit (ik, irony)
Candy: Feathertail
Paper: Redtail (Balloon is the one who saw Mephone5 kill him)
Microphone: Bluestar (came up with FaronTerry )
Liy: Holyleaf (came up with SaltylakeXD
Ruby: Honeyfern