I just picked up the Strontium Dogs worldbook Mongoose put out a few years ago. I've taken the character sheet from the book and made it fillable.
I've also made my own custom version as well:
https://polyhedralnonsense.com/2021/06/13/strontium-dog-character-sheets-for-the-traveller-bounty-hunter-rpg/
I've also made my own custom version as well:
https://polyhedralnonsense.com/2021/06/13/strontium-dog-character-sheets-for-the-traveller-bounty-hunter-rpg/