These five YouTubers have garnered millions of views (and millions of dollars) for their goofy antics.

PewDiePie
Real name: Felix Arvid Ulf Kjellberg.
Subscribers: 57.4 million.
Views: 16.2 billion.
Video game commentator, comedian and video producer from Sweden is the most-watched YouTuber in the world. Recently, PewDiePie stirred controversy after using racially and ethnically offensive language.
Watch: youtube.com/PewDiePie

IISuperwomanII
Real name: Lilly Singh.
Subscribers: 12.4 million.
Views: 2.2 billion.
Comedian and actress originally from Toronto renowned for parodying her Indian parents. In 2015, Singh launched a world tour called "A Trip to Unicorn Island" based on her YouTube material. Her book "How to Be a Bawse: A Guide to Conquering Life," released in March, was ranked No. 1 on the New York Times bestseller list.
Watch: youtube.com/IISuperwomanII

Markiplier
Real name: Mark Fischbach.
Followers: 18.6 million.
Views: 8.2 billion.
Video game commentator and comic who grew up in Cincinnati, specializing in narrating survival horror video games. Markiplier has used his fame to raise more than $1 million for charity.
Watch: youtube.com/markiplierGAME

Smosh
Real name: Ian Hecox.
Subscribers: 22.7 million.
Views: 6.7 billion.
Sketch comedy and animated channel started by California natives Daniel Padilla and Hecox. Padilla left to start his solo YouTube channel this summer. "Smosh: The Movie" came out in 2015.
Watch: youtube.com/Smosh

Miranda Sings
Real name: Colleen Ballinger.
Subscribers: 8.2 million.
Views: 1.4 billion.
California comedian, actress and singer known for her nerdy, nasally, talentless, lipstick-loving alter ego Miranda. Ballinger performs a one-woman comedy act worldwide.
Watch: youtube.com/mirandasings08