User blog comment:Zeowolf0/Champion Appreciation Week - Garen/@comment-5263329-20121203205557/@comment-5263329-20121204002959

Cho'gath's is 3 seconds long and AoE Gayren's is 2.5 and single-target.

Cho'gath also does a lot of damage. 655 + 2.0/AP magic damage and 650 +0.7/AP true damage is not something to be ignored.