Ok, two truths and a lie...
1. When I was about 10 I started drawing (pencil on paper) levels for a 'Sonic the Hedgehog' game I'd imagined. I have dozens of them; I was making them into my mid-teens.
2. The first computer game I made on a computer, the first playable game, was a series of levels on a level designer for a Pacman-style game called 'Zapman', where you have a gun and can shoot the enemies. My levels are shaped like GBA Zelda dungeons.
3. After playing 'Knytt Stories' for the first time, I looked at the level designer and decided it was so complicated I'd never be able to use it. I was inspired to try again by a dream I had of a level I'd like to make. I've never made anything resembling the level from that dream.