Gary the Gadget Guy, in CartoonAddict's videos, is the guy that is either helping or getting Woow50000 to test some invention. He is a protagonist in Cartoon's videos.
- In Club Penguin Meets Roblox, he helps his team out and sends out an EPF message.
- In Club Penguin: The Tsunami, he guides Woow50000 on his journey.
- In Gary's Valentines Day Plan, he tries making Woow50000 fall in love. This video is also one of the few videos that he is an antagonist in.
- Gary is one of Woow50000's first sources for help.