In the 11-8-2018 Jeopardy! match, there were 2 triple stumpers in the THE TV SHOW’S CHARACTERS category (marked with *)

($400) Get animated: Finn, Jake the Dog, Princess Bubblegum
($800) Future imperfect: Serena Joy, Ofglen
*($1200) In a spin-off: Madison Clark, Ofelia Salazar
($1600) A numeric title: Clarke Griffin, Marcus Kane
*($2000) A divine series: Laura Moon, Mr. World, Technical Boy

ANSWERS: show

The players got all these clues in PROUD TO BE AN AMERICAN:

($200) Passed in 1944, the G.I. Bill gave loans, school grants & more to these people
($400) In 2000 the U.S. made widely available the satellite-based locating system known by this acronym
($600) Park of USAID, Feed the Future has lifted over 9 million people above this 7-letter “line”
($800) Sargent Shriver, JKF’s brother-in-law, was the first director of this agency of globe-trotting volunteers
($1000) Ingenuity ruled the day when construction began in 1817 on a canal named for this Great Lake

ANSWERS: show

Today’s Daily Doubles and more information on Final Jeopardy! on Fikkle Fame’s full Daily Jeopardy! Recap