Answer
The signature greeting used by Germán Garmendia, a prominent YouTuber, is a warm and upbeat Spanish phrase, "¡Hola, ¿cómo están?!" This phrase translates to "Hello, how are you?" in English. It has become his trademark introduction in his videos, expressing his genuine enthusiasm and eagerness to connect with his audience. With a cheerful tone, Germán uses this greeting to welcome viewers and instantly create a sense of friendliness and approachability.