Cathy Zhao, better known online as @hellocathyz or whatsupcathyz, is a Taiwanese-American social media influencer, cosplayer, and content creator based in Southern California.
She is known for sharing cosplay looks, fashion try-on content, lifestyle moments, and travel experiences across platforms such as Instagram, TikTok, YouTube, and X.
Childhood and Family
Cathy Zhao was born on May 5, 2000, in Taiwan. She later moved to the United States and currently lives in Southern California.

She holds Taiwanese nationality and comes from an Asian background.
Educational Qualification
She is a graduate of the University of Southern California.
Career
Cathy’s career naturally blends lifestyle and creativity. With an athletic build and an active routine, she often features fashion styling, cosplay transformations, fitness-inspired looks, and everyday moments influenced by Southern California living.

Her content also includes travel highlights, with trips to places such as Taiwan and the Maldives adding variety to her online storytelling.
On Instagram, she has built a strong following of over 500,000 followers, sharing hundreds of posts focused on fashion and cosplay.

Her TikTok account features short, engaging videos that highlight outfits and trends, while her YouTube channel presents fashion try-on hauls and seasonal style ideas.
She is also active on X, where her updates, raffles, and casual posts receive steady engagement.

Her income comes from multiple sources, including brand collaborations, sponsored posts, and exclusive subscription-based content.