Yes, it is a mediocre bot. When I put it in a battle with some random bots, it usually ends up somewhere in the middle. But in the rumble Caan has 15.22 APS, which makes him the third worst bot in total, just before SittingDuck and WasteOfAmmo. This can't be right.
Furthermore, if you order Caan's scores by number of battles (like this), you see that those high KNNPBI scores only happen with new bots with less than 50 battles.
This means that in a lot of old battles Caan was probably disabled and didn't move at all like a sitting duck, whereas in new battles it performs normally.
I see now.
While ago back, when java switched from version 6 to 7, this bot was probably compiled with java 7, and whoever ran battles (very likely me, since I was mainly the only rumbles runner for a couple of years) probably used 6. In this case, such bot was disabled.
We about to experience it again with java switching from 7 to 8.