Ask HN: Which Linux terminal emulator do you prefer and why?

I was thinking that the terminal emulator of my Debian installation is one of the most unknown yet widely used tools of my setup. I know my editor, window manager and shell better than my terminal emulator.

Currently I use urxvt on Debian. But I'm not sure why - it wasn't a conscious choice. I think it comes by default with i3 or something.

Anyway, Linux users, which terminal emulator would you suggest and why? (I'm on Debian in case that makes a difference.)