Can I make a Hero character with

[j0hnnn]

Just be careful with balancing...

Because some drawbacks are a lot stronger than they look

For the scout since the game is turn based all that speed is kind of wasted since you would only be able to move...

You could for instance add some sort of ability that could be used to evade attacks and make the speed bonus a little more modest like:

1d6+2 or 2d6 (Keeping the better roll)