1. Download the Custom Name File and unzip it. 

2. Download the amazing Modders Multitool at https://github.com/ShinyHobo/BG3-Modders-Multitool

3. Unpack the downloaded .pak File with the Modders Multitool (Just select the .pak File or drag and drop it on to the Square)

4. Navigate to the unpacked mod folder (Shortcuts -> Unpacked Mods)

5. Open the "Urchin_Rat_Custom_Name" Folder and navigate to the Translation File (Mods -> Urchin_Rat_Custom_Name -> Localization -> English ->Urchin_Rat_Custom_Name.xml"

6. Open the "Urchin_Rat_Custom_Name.xml" File with any editor of your choice. 

7. Replace the Name "Nibbles" with the name you would like. Only edit the highlighted Part: <content contentuid="h791ab1a4g1ac6g428ag8f25g93f694d544d5" version="1">Nibbles</content>

8. Save the file after making your changes and navigate back to the Unpacked Mods Folder.

9. Repack your customized "Urchin_Rat_Custom_Name" into a .pak file with the modders multitool. (Just select your edited Folder or drag and drop it on to the Square) 

10. Install your newly created .pak.