Who are the best challengers per language?

Question

I wanna challenge people now. Who are the most active ones here?

Answer 1

try challenge Nikolay , he is 1st In the world!!

Answer 2

Count on me for Python, Javascript, HTML, Ruby, PHP.
But I am best at Python

Answer 3

So cann anyone come up with a list?

Answer 4

I can spam challenges against them.
So I need a list

Answer 5

challenge spamming won't always help you all that much against plats like @Nikolay👇
https://www.sololearn.com/discuss/673642/?ref=app