One of the fun parts of Slack is the ability to add custom emojis for your team to use. There are lots of tutorials and guides on the web that can help you with the process. Here are a few to get you started.
From Slack’s Help Center: Add Custom Emoji
The Next Web: Slack Made it Easier to Add Custom Emoji, Here’s How
You can even find some pre-made custom Slack emojis like the ones here on the Slackmojis site: https://slackmojis.com/
Written By: Aaron Manfull