Shout Out to Caustic

I have recently begun playing Caustic and I completely love his abilities. His tactical is extremely useful in close quarter combat inside rooms and corridors. I played a game on Storm Point where another player continually tried to dislodge me from the top of the launch pad catwalk, even when i had run out of ammo. The only reason I lost was the storm finally pushed me off the catwalk. It was so much fun. I have also begun seeing opponents' responses of running away when they encounter it. 

I feel the gas is a huge gain as it bypasses the shielding, making them completely useless, while increasing my health as I breathe it in. Honestly I wonder if Caustic could use a small nerf, but I am enjoying the legend while I can.