Each of the Kits in the TD-25 can be custom-named to your liking. Here's how:
1. Choose a Kit that you'd like to name.
2. Press the function 3 button (MENU).
3. Press function 2 (KIT).
4. Press function 3 (>) repeatedly until "Kit Name" appears.
5. Press the ENTER button (KICK will be flashing).
6. Use the function 2 and 3 buttons and the INSTRUMENT knob to select and choose the desired characters for the name.
7. Press function 1 (EXIT) when you're finished. The new name is saved to the Kit automatically.