Style01 Best | 9yosuziqdoggie

First, "9yosu" could be a typo or a username. "9yo" might mean 9 years old, and "z" and "q" are letters in between Y and A. So maybe someone spelled their name or a username with these letters and numbers. Then there's "style01 best". Maybe they're referring to a specific style or design, and "best" could mean they want something high-quality related to that style.