Looking on the internet deeply has found these results:

everybody is welcome is the most popular phrase on the web.

everybody are welcome 128,100 results on the web	everybody is welcome 1501,000 results on the web More popular!
Some examples and use cases from the internet:	Some examples and use cases from the internet:
All right, everybody, welcome to Wolf Watch. But, of course, everybody is welcome to join. Welcome, everybody, to another Gergich Christmas. You have a way you can just make everybody feel welcome. Everybody's welcome in Cowboy Country. You have a way you can just make everybody feel welcome. Like stepping out into the wind and the paparazzi and all the... you know, the production assistants and everybody are there to welcome him and take us into the VIP suite. Everybody please welcome our new assistant band director Mr. Antoine batiste.	It is not sufficient that we should simply say everybody is welcome, because I believe there is a limit to the matters of EU enlargement and this should be thought about now. You have a way you can just make everybody feel welcome. But, of course, everybody is welcome to join. Everybody's welcome in Cowboy Country. Everybody please welcome our new assistant band director Mr. Antoine batiste. I have started a social media campaign on this which everybody is welcome to join. Welcome, everybody, to another Gergich Christmas. All right, everybody, welcome to Wolf Watch.

everybody are welcome

128,100 results on the web

everybody is welcome

1501,000 results on the web

More popular!

All right, everybody, welcome to Wolf Watch.
But, of course, everybody is welcome to join.
Welcome, everybody, to another Gergich Christmas.
You have a way you can just make everybody feel welcome.
Everybody's welcome in Cowboy Country.
You have a way you can just make everybody feel welcome.
Like stepping out into the wind and the paparazzi and all the... you know, the production assistants and everybody are there to welcome him and take us into the VIP suite.
Everybody please welcome our new assistant band director Mr. Antoine batiste.

It is not sufficient that we should simply say everybody is welcome, because I believe there is a limit to the matters of EU enlargement and this should be thought about now.
You have a way you can just make everybody feel welcome.
But, of course, everybody is welcome to join.
Everybody's welcome in Cowboy Country.
Everybody please welcome our new assistant band director Mr. Antoine batiste.
I have started a social media campaign on this which everybody is welcome to join.
Welcome, everybody, to another Gergich Christmas.
All right, everybody, welcome to Wolf Watch.