Mwaka "Mwaksy" Mudenda (born 19 December 1994) is a British television presenter from South London. She is best known for being the 39th presenter of Blue Peter, a programme she presented between 2020 and 2023, and has also presented Becoming Xtraordinary.

Mudenda was born in South London on 19 December 1994^[1] to a Zambian family,^[2] and started YouTubing under the name Mwaksy in 2014,^[3] later moving to Manchester to study anthropology at university.^[2] In 2018, after graduating, she got a job at MediaCityUK as an assistant producer for BBC Sport,^[4] where her job entailed making sports content relatable for younger audiences and filming videos for Instagram;^[5] one of these, her "Bust Down with Mwaksy", brought her to the attention of BBC Children's and Education,^[6] who invited her for a screen test.^[5]

In May 2020, Mudenda was announced as the 39th presenter of Blue Peter, a CBBC show; her first episodes were presented at home due to the first COVID-19 lockdown in the United Kingdom.^[2] While on the program, she, former Blue Peter presenter Sarah Greene, and numerous pupils from Wormholt Park primary school opened a 42-year old Blue Peter Time Capsule recovered from White City in 2022,^[7] and later produced language learning lessons in French,^[8] Spanish,^[9] and science.^[10] She later departed Blue Peter in September 2023, the third presenter to leave the program in 14 months,^[11] prompting suggestions that the program could be cancelled after 65 years.^[12] After a period with Lauren Layfield as guest host,^[13] she was replaced full-time in January 2024 by TikToker Shini Muthukrishnan.^[14]

In 2023, it was announced that Mudenda would co-host Becoming Xtraordinary for Da Vinci, a streaming service, with Evan Edinger and Bear Grylls, during which she interviewed several celebrities including Julia Roberts, Roger Federer, Courteney Cox, Channing Tatum, and Olympic gold medallists and Nobel laureates.^[15] She has also appeared as a contestant on Crackerjack!,^[16] Celebrity Mastermind,^[17] Celebrity Catchpoint,^[18] Celebrity Bridge of Lies,^[19] Celebrity Catchphrase,^[20] and Pointless Celebrities.^[21]