I pet this kitty and boop its nose!
Terminal based YouTube player and downloader. Search and play stuff you find. Lets you download, too. Ncurses-like interface, not CLI. Playlist-aware. To watch videos, requires X and mplayer.
A Chrome extension that lets you scrobble what you're listening to on YouTube or other services to last.fm or libre.fm.
A much more lightweight, less invasive Youtube client for Android. Much more flexible. Compile and sideload it yourself, or set up the F-Droid repo and install it that way.
Rap News - funny, insightful, and speaking truth to power with hip-hop, silly costumes, and occasionally surprise guests.