Did you write and edit an odd periodical about the Wizarding world? - Xenophilius Lovegood, Luna’s dad, in the Harry Potter books
Did you command Hill Street Station? - Capt. Francis X. Furillo, on Hill Street Blues
Were you intended to replace Cmdr. Spock aboard the refit USS Enterprise? -Xon, in the never-produced ST:TOS sequel series: Xon | Memory Alpha | Fandom
On to K!
IQs:
Did you say, “Power is an aphrodisiac”?
Were you kicked repeatedly and then fell to your death on the Genesis planet?
Were you the person doing the kicking?
Correct on 1 and 3. 2 was Eliud Kipchoge; Kelvin Kiptum was the young runner killed in a car accident last week. He held the world record marathon time, and was anticipated to possibly break the two hour barrier in a real race.
Did you say, “Power is an aphrodisiac”? - Yes, Henry Kissinger
Were you kicked repeatedly and then fell to your death on the Genesis planet? - Khan was killed when his hijacked starship, the USS Reliant, blew up; this was Kruge, the Klingon bad guy in the next movie
Were you the person doing the kicking? - Yes, James T. (not “R.,” except in one early episode) Kirk
DQ:
Living?
IQs:
Were you a US Cavalry general with an insulting nickname?
Are you a mad scientist and possible Hitler clone?
Did you write the novel which inspired the movie Breaker Morant?
Were you a US Cavalry general with an insulting nickname? - Gen. Nathaniel “Commissary” Banks wasn’t a cavalry general; this was Gen. Judson “Kill Cavalry” Kilpatrick, who was thought by some to be too careless with his men’s lives
Are you a mad scientist and possible Hitler clone? - Yes, Krieger, on Archer
Did you write the novel which inspired the movie Breaker Morant? - Kit Denton
DQs:
American?
Best known for politics/military?
IQs:
Were you Reagan’s UN ambassador?
Did you insist, “Charlie don’t surf”?
Did you end up marrying Emma at the end of the Austen tale?
Correct on 2 and 3. 1 was Paul Kelly, arguably the first Mafia boss in American history; he was Italian, his name notwithstanding. Best known now as a character in The Alienist. Not just a Kelly threefer, but an outlaw Kelly threefer!
DQ: Known for the arts?
IQs:
Did you play a doctor, damn it, not an answer to an Internet trivia game?
Were you the Girl On Fire?
Were you a Polish-American novelist whose luggage was lost one day in 1969, causing you to miss an invitation to visit Sharon Tate’s home, on the night of the Manson murders?