“The Trouble With Tribbles,” from the original Star Trek.
YMF feline?
Our late black cat, Sal, who lived to the ripe old age of 21.
YMF canine?
Pamplemousse, The only dog i ever had custody of, house-sitting in a Bolivian village.
Fav under-apprreciated musical instrument.
Uilleann (Irish) pipes. Much sweeter-sounding than Scottish bagpipes. (Example, from Youtube.)
YMF science-fiction character
Arthur; the android bartender in “Passengers” , to just pick one fresh in my mind.
Fav Latin phrase
Caveat Emptor.
Worked for a used bookstore called this when I was in college.
YMF phrase not in English that is pretty well understood and used by people in your country (whichever English-speaking country you spend the most time).
Carpe diem.
Most favorite Latin phrase not already mentioned?
E Pluribus Unum. Wish more people remembered it these days.
YMF summer activity?
Golf.
Most favorite winter activity?
Snuggling
Fav Oxymoron
Justice Thomas.
YMF wacky conspiracy theory.
That the Illuminati are actually running the world behind the scenes. Or is it the Stonecutters…?
YMF Simpsons episode.
Bart hijacks an army tank. Mr, Burns says “We’re at war, Smithers – start profiteering”.
Fav South Park episode
Probably “Make Love, Not Warcraft,” where the boys take on a griefer in the World of Warcraft MMORPG. Even if it hits a little too close to home for me. 
(Second place is the first actual episode, “Cartman Gets an Anal Probe.”)
YMF airplane.
Bleriot (Just because I liked Flambards as a teen)
YMF family story your parents or other older relatives used to tell you.
My comatose mom had a near death experience, where the guy beckons to you from the tunnel of death
Fav name of a town
Toad Suck, Arkansas
YMF way to eat eggs
Deviled eggs the way my friend Mike makes them.
YMF TV show you thought you’d hate, but ended up liking.
Buffy The Vampire Slayer
YMF aroma
Combined sugar, melted butter, vanilla when making cookies
YMF childhood toy