Puzzle 1

Foldable fabric parts on the side of a Russian hat.

It puts the H in H20.

Secret identity for a covert or military mission.

To have difficulty doing something.

Barack Obama's memoir: A __ Land.

Fictional giant reptile that attacked Tokyo.

Spicy pepper common to salsa.

Become too warm, e.g. by wearing too many layers.

Common dog tricks include sit, lie down, and this.

Nickname of Russian rulers Peter and Catherine.

Jim, iconic rock star from The Doors.