Favourite You Tube channel for German learning

This is Marco from Authentic German Learning and I use his videos a lot. He is insanely positive which I rather like as I tend to be rather reserved, slightly gloomy. So the upbeat nature and the slightly wacky choice of subject is really appealing. My German level is about a high GCSE standard, B1 in the EU categorisation (more or less). It's a great language and I really like the country,