Crossword puzzle clue "buffoon in modern day slang and word hidden five times in this puzzle"

Buffoon in modern-day slang, and word hidden five times in this puzzle

Today, to Caesar—and a hint to the hidden word appearing in this puzzle 15 times (including the one in this answer)

There are four hidden in this puzzle, which together suggest a familiar five-word saying (3,5,4,2,4)

Word hidden four times in this puzzle

Word "positively" hidden four times in this puzzle

Human fingerprint, and what's hidden in five puzzle answers

Raise stakes in a game ... and a hint to a hidden feature of five Down puzzle answers

"Inner voice" hidden in five puzzle answers