SNAKE

Tue, 23 Jan '24

Plumber's drain-clearing device

Fri, 3 Nov '23

No-good conniver

Tue, 3 Oct '23

Creature that grows longer in a classic video game (also in this puzzle, when it "eats" a black square)

Wed, 28 Jun '23

With 38-Across, hidden traitor

Mon, 12 Apr '21

Type not to be trusted