No. 1 on the RuneScape hiscores. He beat Zezima when the Summoning skill came out. People worship him like a god and you will usually see people going "OMG GERTJAARS!" in his presence. If he turns private on he will be spammed.
*Gertjaars appears out of nowhere in Falador*
Z0mg Gertjaars ftw!
Omg Gertjaars give me fr33 st00f p10x