Emoji's are fun way's to spice up any message. You can make a customized emoji using Google's Code an Emoji project.
In case you're wondering what it's all about, take a look at Google's Promoting gender equality through emoji 🙌 🎉 blog article. It describes how emoji's have a gender bias, what a gender bias is :) and how they proposed to correct it. Apparently the Unicode Emoji Subcommittee has agreed to a method for customizing emoji's with different genders, skin color and adornments.