Honestly it would take me a vast amount of time to even begin to reason out which philosophers I thought were better than others. I would like to bring up Confucius, Zhuangzi and (to a lesser extent) Xunzi, because no one has yet seen fit to mention them. I think if you got some kind of synthesis of the three (which I'm sure has been done, I've just never looked at one), it would explain about half of my thought.
But of the three Zhuangzi hands down has the best style.
Others that I would acknowledge as greats would be Plato, Aquinas, Aristotle, Kant, and Nietzsche, probably with a few more that I've forgotten at the moment. But honestly I have no idea how to explain what ideas I get from each one, really I'm not that close to agreeing with any of them.
Actually, I think I might try to reason these things out anyway. From Plato I took his general way of looking at mathematics (and hence why learning mathematics is so incredibly important). I also have taken a large amount of his political philosophy though I do advocate anarchy as an alternative to an aristocracy, and my aristocracy would look nothing like his. From Aquinas and Aristotle I get the general view of virtue and vice which has profoundly influenced my moral philosophy. From Kant I rejected his categorical imperative, but I found his statements "There is no good thing except a good will" and the notion that we cannot treat human beings as merely means very touching. In regards to Nietzsche I am mainly talking about his geneology of morals. I do not agree with most of it, and I don't think I agree with any of his conclusions, but I find it to be very good analysis with some profound insights.