We can recruit a helper named Donut. To do so, we need to collect the individual parts of Mr. Peeks. To collect each part, simply interact with the body part.

The first part can be found at the Conservatory in the following location:

The next part is hidden at the garden pond, nestled among the roots.

In the rear patio area, the next part is hidden inside the following bucket:

In the Bottlery, the next part can be found in the wine rack.

The fifth part is located at Shems Henge in the following spot:

The final part is located behind the following painting in the library.

After collecting all 6 parts, we can now reassemble Mr. Peeks. Head to the following location, then press and hold the interaction button to stitch the cute stuffed bunny back together.

Afterward, Donut will appear and assist you in the fight against the undead for a short period of time.

Once Donut has devoured enough zombies, he will transform into a parasite, and later into a Doppelghast.
That way, you’ve earned yourself the perfect bodyguard.