What is the game system your template is for?:
Pathfinder 2nd Edition
Brief summary of your character template:
This is a template that is in addition to the already existing template, and is meant specifically for animal companions, as they have a much more simplified set of info they need, and a few unique things.
Link to character template:
Screenshot if other people are interested in at least looking at it: https://cdn.discordapp.com/attachments/464174454428270623/837205304805687296/unknown.png
Is there any additional information needed to run this character in a campaign?:
Sort of? It’s certainly not meant to be run by itself. A player character can’t be an animal companion, lol.