Each character would be a monster or at least very beast like.
Each character has a separate introduction in the film where each are doing different random things such as putting together toy models, fishing, etc. This will be similar to the character introductions in Gone in 60 Seconds, and Lock Stock and Two Smoking Barrels
Each character will get a phone call that interrupts their random activity. They answer the phone and say alright ill be there.
After the introduction of each character, all the beast meet up and do something very common such as bowling.
They all hang out and drink getting along, getting drunker and drunker, until one gets completely out of line and gets on the other beasts nerves.
All the beasts kill the obnoxious beast.