Graham.

Graham roamed the new house. "Mom?" the teen asked. "Yes, dearie?" "Why'd we move?" "We had to, we couldn't live in a cave. It was filthy." "But I coulda invent-" "NO. YOU'D HAVE BLEW IT UP!" His mom yelled. Graham sighed. "But it worked.." he whispered. "I'm leaving."

That night Graham used his Pack Invention to store things, and left. "Good bye!" he said. He crawled to a different cave. He used Tunnel to make a secret entrance to the cave. '"There. Time to clean it up!"