Scripts

Alinksolo, open the folder GameFolder/data/data.pak/, and copy the types.xml file to a safe location (it's located outside of any folders, directly within the archive). Open it and press Ctrl + F, then search for CREATURE_PEASANT. Skip the first match, and after the second, you'll see the CREATURE_PEASANT block, with a "1" at the bottom. That's it, scroll down to the creatures you need; the ID will match the number under the name CREATURE.

Alternatively, in the script editor, press Ctrl + Space and scroll through the list to find the creature IDs; the Russian names will be highlighted in yellow.