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RuneShark is a duo of famous Youtubers. Their channels are RuneSharkVideos, and RuneSharkMinecraft, and they make videos for RuneScape and Minecraft.

They are loved by their subscriber community for listening to them, spending time on videos and for NOT youtube-money-whoring.

Their names are James and Simon, and mostly James keeps trolling Simon to the extent that their videos are irresistible to watch. Worth a watch, becuase they'll give you hundreds of hours of free entertainment :)
"Have you seen the new RuneShark video?"
by MrCr December 28, 2012
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