It's elementary, Guru Vatsa.

Follow the clues
1+1+1 =. Paige #

Not your bottom but your....?

Finally, lastly, ...,first letter R ..last letter D.....
actor in the 3 musketeers, the 4 musketeers, the return of the musketeers and gladiator. Pisscat of the highest order and deserving of a toast.