Good going, divemaster!
IQs:
Never heard of him.
IQ1: Did you write a book about a boating holiday you and your friends had?
IQ2: Did two men in a canoe deliver an important message for you?
IQ3: Did your two daughters follow you in a top job?
Get a load of Sherlock Divemaster ovah here. 
IQ1: Did Hilary Clinton object to your portrayal of daughter Chelsea on SNL in 1993?
IQ2: Did you portray Barack Obama on SNL till leaving the show in 2016?
IQ3: Did you portray news reporter Jack Rizzoli on SNL sketches with Bill Hader as a senile field correspondent?
Nicely done, dm, and thanks. Warren at one point has Burden passing through Louisiana on his way back to his home state, wherever that was.
IQs:
Did the same actor play you and his once-appearing dead brother?
Were you a scientist who advised President Truman on alternative uses of the A-bomb?
Were you a longtime CIA spycatcher eased out by President Ford?
#1: not Janet Jackson
#2: not Carl Jung;
#3: not … Snidely Jwhiplash(?) Ha Ha. DQ for that one.
#1: don’t know
#2: going with not Thomas Jefferson (re L&C expedition)
#3: hmmm; I should be able to suss this out, but not coming up with anything
Correct, Correct. Ha, ha. #3 is Jerry Colonna.
DQ: Real?
IQs:
I’ll get to the rest of the Qs in a moment, but before I go any further, should we start over in a June thread?
Nah, just start the June thread with the next round.
#1: I vaguely recall Mike Myers, Rush Limbaugh, and David Letterman taking some heat over “jokes” about Chelsea’s looks, but I don’t know the skit you are referring to.
#2: I can picture the face but not the name.
#3: No clue.
3 DQs for you.
#1: don’t know
#2: not J. Robert Oppenheimer (?)
#3: not J. Edgar Hoover
Ah, I see what you did there. If only I could think of an actor who goes by first initial J. …
…hmmm, not coming up with it, so DQ there.
#1: not Elton John
#2: DQ
#3: wild guess… not J. Geils?
J
DQ1: Real
Previous IQs:
Did the same actor play you and his once-appearing dead brother? - William Shatner played James T. Kirk and his brother Sam: George Samuel Kirk | Memory Alpha | Fandom
Were you a scientist who advised President Truman on alternative uses of the A-bomb? - Oppenheimer later had second thoughts, but didn’t thus advise Truman. This was James M. Conant.
Were you a longtime CIA spycatcher eased out by President Ford? - Hoover worked at the FBI, not the CIA, and was dead by then anyway. This was James Jesus Angleton.
James x3!
DQs:
Male?
American?
Last name start with J?
IQs:
Was your last codename LANCER?
Were you that person’s spouse?
Did your elder sister become ambassador to Japan?
Ah, yes, I know better to have flubbed the J. Edgar Hoover item (of course he’s FBI)–sortof embarrassed about that. I just thought I caught a trend and ran with it without stopping to think. The others I never would have gotten.
J
DQ1: Real
DQ2: Not male
DQ3: Not American
DQ4: Family name starts with J
#1: not JFK
#2: not Jackie K
#3: ?? (DQ)
#1 is correct.
#2 is Olivia Newton-John.
#3 was Jimmy Durante.
2 DQs reserved.
Julia Sweeney, Jay Pharoah, Jason Sudeikis
DQ: Alive?
DQ: European?
holding a DQ
IQ1: Are you and Kyle Gass in the band Tenacious D?
IQ2: Did you and your ex wife release the single Fell In Love With a Girl in 2001?
IQ3: Did you star with Walter Matthau in the Grumpy Old Men movies?
#1: No clue
#2: ditto
#3: not Jack Lemmon
J
DQ1: Real
DQ2: Not male
DQ3: Not American
DQ4: Family name starts with J
DQ5: Alive
DQ6: Not European
Jerome K Jerome (Three Men in a Boat (To Say Nothing of the Dog). Excellent book - very amusing.)
JFK.
James II of England.
DQ1: Asian?
DQ2: Known for the Arts?
DQ3: Born before 1980?