RTF is a global modification that replaces all towns in the game.

Of course! Their movements are like in Heroes of Might and Magic VII, but not everything from that game is included. There's only one attack animation, but there are two in the lists – this is because they have different impact sounds (one is just a sword swing, and the other also includes a shout; the voice acting is from the armored knights).

Added 7 minutes later
In general, if you need any unit, feel free to take it. I often use other people's work as a basis, and a couple of times I've even taken entire units, but that doesn't happen often.