About your signature...
You've got it backwards. The guy on the RIGHT became the pig on the LEFT. The games were not made in chronological order.
The power of the Triforce transformed him into a beast in OoT and TP. At first he could move between forms, but apparently, he eventually became a permanent beast.
Oh, and by the way... I like Tales of Symphonia also! I've played it, and Dawn of the New World. It's too bad Kratos doesn't get to stay at the end, though I guess that would have been too idealistic an ending.