Haley Alexandra Tju (/ˈtʃuː/)^[1] (born February 15, 2001^[2][3]) is an American actress. She is known for her role as Pepper in the Nickelodeon television series Bella and the Bulldogs, and Marcy Wu in the Disney animated television series Amphibia.^[4][5]

Tju was born in Southern California,^[3] and grew up in Chino Hills, California. She began acting at the age of four, and was home schooled.^[6] She is of Chinese and Indonesian descent.^[7] Her sister Brianne Tju is also an actress.^[8]

Her first television appearance was in a commercial for Pizza Hut, while her first TV show performance was a bit part in Hannah Montana at the age of seven.^[3] Tju has appeared in television shows, television films, feature films and a short.^[9] Tju has appeared on The Suite Life on Deck where she played Young London in an episode. Later came episode appearances on Desperate Housewives, Jessie, Go On, and The Thundermans. She also appeared in the television film Den Brother. In 2013, Tju was signed to a talent deal with Nickelodeon after participating in a showcase at the Los Angeles Groundlings Theater.^[10]

Her first prominent role was as a voice actor in the children's animated series Monsters vs. Aliens as Sqweep. Next, Tju landed her first leading role in the Nickelodeon television special, The Massively Mixed Up Middle School Mystery, playing one of three young detectives.^[3][11]

On the Nickelodeon television series Bella and the Bulldogs, Tju played the main role of Pepper Silverstein, the cheerleader best friend of Brec Bassinger's character Bella Dawson.^[12][13][14]