Koya is the most valuable bot that you needs in your server !
He can welcomes your new server members with a fancy welcome picture,
he can keep you updated of your favorites RSS Feeds only few seconds after that new article you are waiting is out !
he can make your channels an heathen place.
he can help the moderation and moderators in you server.
and much more to discover !
Read all of my commands here : https://www.koyamie.com/koyabot/commands.