Aleksandr Mikhailovich Zhvakin (Russian: Алекса́ндр Миха́йлович Жва́кин; born 25 January 1989, Ulyanovsk), better known under the stage name Loc-Dog (Russian: Лок Дог), is a Russian rap and hip-hop singer, lyricist, & songwriter. He is a former member of the group "Стороны Ра". He became the first Russian-speaking musician to perform electrorap (combining rap & electro music) & hip-house. To date, he has released nine albums: "Паранойя", "Всем до свидания", "Апокалипсис 2012", "Прилетел", Electrodog 2, "Дисконнект", "Себе не ври", "Крылья", "Шумный город", & "Счастье в простом".

In 2010, he served as an opening act for American rapper 50 Cent.

In August 2014, the performer stated that the "Loc-Dog" project was temporarily frozen. Sometime later, in September, the album "Себе не ври" was released, which put an end to the existence of the "Loc-Dog" project.

In September 2016, he brought back the "Loc-Dog" nickname and returned to making music, releasing the album "Крылья" and returning to touring cities.

In November 2016, he won the Golden Grammophone for the song "На Расстоянии".