1. Answer: It depends on everyone's taste and these rankings change all the time. According to RankMyPorn, at the moment, the top ranked Shaved Male Pornstars in the world are: Johnny Sins, Larry Steel, Karlo Karerra, Barry Scott, Derrick Pierce, JMac, Stirling Cooper, Flash Brown, Will Powers, Bruno Dickens, but these will change based on what people vote.
2. Answer: It changes. You can see the latest rankings on RankMyPorn.com and also vote on it for free.