Here's a suggested introduction and call to action for your YouTube channel "Pit":

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"Welcome to Pit, your go-to channel for all things funny! If you're looking for a good laugh, you've come to the right place. We create hilarious content that will keep you smiling and brighten your day.

Don't forget to hit that subscribe button and turn on the notification bell so you never miss out on the fun! And if you enjoy our videos, be sure to give them a thumbs up and share with your friends. Let's spread the laughter together!"