Juilen Bam is the favourite Youtuber of my kids. He is really talented. Unfortunately, I don't know any Dutch or English Youtubers like him.
I just watched Julian Bam -- wow, you're right. He's really cool! But he speaks very quickly. How did you manage to understand that as a beginner?
I have found a really cool Dutch guy who talks in (fantastic) English who is similar to Bam: Kwebbelkop
Here is one of his about Dutch...but in English.... https://www.youtube.com/watch?v=y91YQZCrK6g