[Jelle]

You are doing it really much wrong.

There has to be only ONE plugin_init.

When you add health to your hero, you still be in the first plugin_init that you made in the first place. In there you make the cvar, and set the speed of the hero.

Also, "Super_init" has to be "heavy_init".
ALWAYS when it says "Super" you have to replace it with your own name for the hero.