Crossword puzzle clue "a kind of one ends each of this puzzle's four longest answers"

A kind of one ends each of this puzzle's four longest answers

Newsstand buy, for short—one begins each of the four longest puzzle answers (and also ends the last one)

What each of the four longest Across answers ends with

One is hidden in each of this puzzle's four longest answers

Each of this puzzle's four longest answers begins with one

This puzzle's honorees, one of which is spread out in each of the four longest answers

Venomous snakes lurking in each of the four longest puzzle answers

Action hero's garb, and what each first word in this puzzle's four longest answers is