Vivi

Physical Characteristics
Hair: Long, straight, and light brown (may vary to a more honey tone depending on the lighting). In the image, her hair is slightly damp or pulled back at the front.
Eyes: Dark brown and expressive.
Face: Possesses delicate features, with a slightly oval face shape and well-defined eyebrows.
Style: She usually appears with a casual and "clean" look. In the photo, she is wearing a vibrant turquoise blue tank top and discreet accessories, such as a thin gold chain and bracelets.

The "Vivi" from the Mundo da Vivi channel is called Vitória (affectionately known as Vivi). She is a Brazilian digital influencer and YouTuber who has become very popular among children and young people.
Here are the main points about it:
Content: Your channel focuses on entertainment, including vlogs about your daily life, challenges, games, "sketches" (short dramatic or funny skits), and stories with your family and friends.
Regarding "Clocloe": The mention of "Clocloe" in the image you sent refers to her younger sister, Chloe. The two often record many videos together, frequently with scripts where one tries to "troll" or "take over the channel" of the other, which generates a lot of engagement among followers.
Style: Vivi is known for her charisma and for having a very close connection with her fans. She often shows her school routine, travels, and leisure moments, always with a dynamic and colorful editing style.