1 - my cat. 2 - my car. 3 - my guns. 4 - my computer. Before personal computers it was my typewriter. 5 - my mountain bike.
Mine would be our heavy duty pressure washer. My girlfriends would be her Nikon with a massive zoom lens. We have pressure washed everything, including the curb and gutter in the street. She has, with her Nikon, either recorded in HD or stolen the soul of every living thing that could first be found and spotted with binoculars, then captured with her Nikon.