My favorite deer rifle is my .270 Win, 700 Stainless.
My favorite walk-about rifle is a CZ 455, .22WMR.
My favorite large varmint rifle is either a .243 Win, 700, or a Tikka T3 Lite in the same caliber, depending on whether I'll be walking or sitting more.
My favorite offhand plinker semi-auto rifle is an accurized 10-22.
My favorite offhand informal target rifle is an accurized Rem 504.
My favorite lever-action rimfire rifle is a Marlin 39A.
My favorite rimfire benchrest rifle is....
Well, you get the idea.