Mikey Day is an American actor, comedian, and writer best known for his work on Saturday Night Live. He began his comedy career as a member of the Groundlings troupe in Los Angeles. Day gained early television recognition as a cast member on the improv show Wild 'n Out. He joined the writing staff of Saturday Night Live in 2013 before becoming an on-screen cast member in 2016. Throughout his tenure on SNL, he has become known for his versatile impressions and recurring characters. He has written for various television projects, including the sketch show Maya & Marty. Day has also appeared in several feature films, such as the 2019 comedy Little. He is frequently recognized for his physical comedy and ability to play high-energy, eccentric roles. Beyond his performance work, he has served as a head writer for various comedy specials. He continues to be a prominent figure in modern American sketch comedy. His work has earned him multiple Primetime Emmy Award nominations for his writing contributions.