Salvador is great fun but, since you said you'd played Modecai in BL1, I'd recommend Axton with his turret. Gaige would be similar also (with Deathtrap, the giant robot). With Salvador, you can spec to get recovery using his action skill, but you have to be a lot closer to the action. With Axton & Gaige, you can throw out your turret/robot and pull back a bit. That's how I played Mordecai, so there was less adjustment for me starting with Axton, even though there are a number of aspects that are noticeably different between the two games.