Syzygy is formerly the highest ranked Free-to-Play player in RuneScape, and currently the second highest ranked. The only free-to-play player surpassing his total level is currently S Diamant Y, who still has less total experience than he does. He has the highest total experience of any free-to-play player. He is also the highest rank F2Per in Attack.
Most of Syzygy's fame has come from and interview with him on Tipit.