I encouraged my favorite pug Lily to participate in gaming by becoming my mascot.
Step 1: Determine If Your Pet Seems Intereseted in Participating in Your Gaming Experience.
Step 2: Encourage Your Pet by Offering a Reward Incentive.
Step 3: Find a Game Character That Resembles Your Pet.
ET The Extra-Terrestrial (1982) (Atari) seems appropriate for Lily
Step 4: Experiment With Costumes Props Etc to Achieve the Look Desired
Step 5: Compare Your Inspiration and Completed Mascot Side by Side and Enjoy
If you would like to see what Lily looks like compared to ET. You can do a search for ET images online and see for yourself.