Here's a rig I got to work on for Blubber Busters.
The rigs were pretty straightforward but I added a layer of procedural animation which could generate some basic pulsing and movement of the tentacles.
Go check out the development of the game by the awesome team at: http://www.blubberbustersgame.com/
Concepts by Avery Coleman
Models and textures by Maddy Kenyon and Cody Bunt
Animation by Paul Jarvis