Alberto "Betong" Sermonia Sumaya Jr. (born November 21, 1975) is a Filipino comedian, actor, and former production assistant for GMA Network, where he is also a part of the network's talent agency. Sumaya participated in the GMA reality show ' (2011), and became the eventual victor. He appears in GMA's longtime-running gag show Bubble Gang. Sumaya became one of the presenters of the longest running noontime show in the Philippines, Eat Bulaga! (later Tahanang Pinakamasaya!) in 2023.
Born and raised in Antipolo; he graduated with a Bachelor of Arts degree in Filipino and a minor in mass communication from the Polytechnic University of the Philippines. He joined the Probe Team as a production assistant and rose to ranks as an executive producer for several GMA News and Public Affairs programs. Sumaya reprised his role as Antonietta in various GMA TV shows such as CelebriTV, Celebrity Bluff and Wowowin; with Boobay and Donita Nose.
Sumaya was named as the second Celebrity Sole Survivor in the season, '. The live announcement was held at the GMA Network Studio hosted by Richard Gutierrez on February 10. Betong made it to the Top 3 along with fellow castaways, Mara Yokohama and Stef Prescott.
In 2023, after Tito Sotto, Vic Sotto, and Joey De Leon (also known as TVJ) along with their co-hosts resigned due to a dispute with TAPE Inc. on May 31, Sumaya was tapped as one of the new hosts of the newly recreated Eat Bulaga! when the show returned live on June 5.