They are suspected multis
Suspects: mot and conquer69
Game number (one of many): http://www.conquerclub.com/game.php?game=1803585
Comments
These two always play doodle assassins with each other, and play their turns <5 minutes apart. conquer69, in the game mentioned, attacked mot's target. One could say that's coincidence, but they also play 1v1 games against each other, where mot always wins as well. This cannot be more obvious...