They have been around about thirty years. They have some cross-pollination with anti-fa.
Alliance 90/The Greens, often simply referred to as Greens, is a green political party in Germany. It was formed in 1993 by the merger of the Greens and Alliance 90. The Greens had itself merged with the East German Green Party after German reunification in 1990.
Germany is in Weimar2. Remember the Street fighting between German nationalists and socialists in the late 20s, early 30s? Then they became the national socialist workers party.
“Here we come, Marching down the street
Saying Sieg Heil, To everyone we meet!
Hey hey