Louise Walker
Louise Walker looking at Katie.jpg
Occupation The Warden
Family None known other than Trout Walker (grandfather)
Friends Mr. Sir, Dr. Pendanski
Enemies Katie Sandow, Stanley Yelnats IV, Zero, Zig-Zag, All D-tent boys
Likes/Interests Anything "interesting"
Dislikes/Hates Digging, especially on Christmas
Status Alive

The Warden (Louise Walker) (or better nickname The Warden) is the (hidden) main antagonist in Katie, Emily, Wallace and Gromit: Holes. She is the granddaughter of Trout and Linda Walker.

The Warden is shown to have been digging holes growing up and does nothing else trying to finish the work of looking for the treasure of Kissin' Kate Barlow.