Juice box

Find out more about it here.

Homer

More info here.

Tiger

More info here.

T-Rex

More info here.

Franklin

More info here. Rig is missing for now.

Dragon

More info here.

Hare

More info here.

Hobo

Rig is unavailable for now, will post an update the moment I know more.

More info here.

Bunny

Download it directly from here. Rig by Shaun Keenan.

Jin and Joe

More info here.

In case the site loads up in a different language for you:

Kayla

Super cute rig worth the price! More info here.

Kayla Rig Animation Samples from Josh Sobel on Vimeo.

Eleven

More info here.

Teddy

More info here.

Rig is currently not there anymore.

Tuna

More info here.

Fred

Looks like Google took it down?

Head over to this link and scroll down. You'll see this section for the download:

CompanionX

Not free but still worth a look. More info here.

AgentZ

Not free but still worth a look. More info here.

AgentX

Not free but still worth a look. More info here.

CompanionZ

Not free, but still worth a post. More info here.

Cody

More info here.

Ray

More info here.