I've drawn a couple of shirtless pics of Timmy now, just to practice on anatomy and blah blah.

This is not as much of a design change as just things I've noticed I've been changing throughout drawing him.
A few members of the family were disgusted about how skinny he is. Which isn't really fair. It's Timmy's design, and i'll draw him how I damn well like.

Tail: In drawings I started forgetting his tail... yeah, I know. So then I'll add it in. And it'll just either get in the way, look weird or cover up parts of the drawing. (A sneaky thign artists sometimes do... C'mon admit it.X3)

Taller: Part of life.

Trousers: A note to people who think bagginess in clothes is a cheap way to avoid putting effort into anatomy. I chose to draw Timmy with baggy trousers because they looked cool. Then they started to look silly and I felt cheap. So they're not as baggy. If you really want I'll draw Timmy without trousers. O_o'