If you can't live without emoticons in your emails and think the one in Gmail are not enough, you'll be pleased to know that... you have a bunch of new emoticons waiting for you in the Labs section!
You just need to enable the "Extra Emoji" setting and you'll be able to use many more icons:
Fancy a glass of ?
Or maybe you just want to hop around like a ?
Or maybe even just around in a path of happiness.
Just enable your extra emoji in Gmail and start spreading the emoticon love around! :)