Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Wouldn't Greninja do a better job as a suicide lead? Different hazard, but he still hits the same things and doesn't suffer from an unfortunate speed tier
Nobody answered this part, so I'll help you out
That's Necturna from our Create-A-Pokemon project. You can check it out here
http://www.smogon.com/forums/forums/create-a-pokémon-project.66/
It's a really interesting meta that they're making, I highly recommend you check it out