Crossword puzzle clue "creepy and then some"

Creepy and then some

Hybrid car that runs a few seconds, then stops, then runs again, then stops again...?

Creepy pencil-and-paper "game" popularized in 2015 via YouTube and Twitter (and basis of the theme answers)

Do this, then that, then this again

Place whose population was 1, then 2, then 0

Back then, back then

"First I'll read, then watch the movie, then..."

Entering your middle name, then date of birth, then adding a "1," etc.?