Enter the player profile screen on your Leapster.
Locate the "Home" button, the "A" button and the "Left" arrow key on your Leapster controller.
Press and hold down the "Home" button.
Press and hold down the "A" button, while continuing to hold down the "Home" button.
Press and hold down the "Left" arrow button, while continuing to hold down the "Home" and "A" buttons.
Wait for an "X" to appear under the list of names that are stored on your Leapster.
Press the "X" and then follow the audible instructions to finish clearing the names you desire.