Is SMG3 for team Long or team Beeg?

In this vid SMG3 answers the question is he on, team Beeg SMG4, or team Long SMG4? And he responds with Long SMG3. Here is a list of characters that appeared SMG3 Beeg SMG4 (mentioned) Long SMG4 Long SMG3 If you want to watch this vid you can watch it here https://www.youtube.com/watch?v=VZgMrrYYH7s