The Kennen build for Top is Hextech Rocketbelt and Summon Aery. This LoL Kennen guide for Top at Platinum+ on 13.23 includes runes, items, skill order, and counters.
Kennen Counters
51.0%
(+1.7%)
54.7%
(-0.1%)
1.7%
0.8%
(-0.4%)
804
(-18)