Joseph Michael Graceffa ( ; born May 16, 1991) is an American YouTube personality, actor, author, producer, and singer.
 He has two active YouTube channels, both of which are named after him.
 One of them is for vlogging and the other is used for video gaming content.
 They both have a combined total of more than 1.7 billion views.
 His other YouTube channel, which he no longer uses, called WinterSpringPro, has 60 million views (as of August 2017).
 He was a contestant on 22nd and 24th seasons of "The Amazing Race" and has appeared in short films (as web films) and short web television series on YouTube and its subscription-only service YouTube Red.
Eugenia Sullivan Cooney (born July 27, 1994) is a YouTube personality.
 She is twenty-three years old and based in California.
 Cooney began her YouTube channel on January 11, 2011 and has over a million subscribers.
 Cooney uploads vlogs, makeup tutorials and similar content to her channel.
 Eugenia regularly streams on Younow where she has over seven thousand fans.
 Shane Dawson featured Eugenia in his podcast, Shane and Friends.
 Cooney is controversially linked to anorexia nervosa, as many believe she suffers from the eating disorder and her body type encourages the condition.
 Though she herself disputes this, petitions were made to ban Cooney from YouTube due to her appearance.
 Eugenia states that she is naturally thin and refrains from discussing her weight and eating habits.
Shane Lee Dawson (née Yaw; born July 19, 1988) is an American YouTube personality, actor, author, sketch comedian, singer, songwriter and film director.
 Dawson was known for making comedy videos featuring recurring original characters he has created (such as Shananay, Ned the Nerd, S. Deezy, Mom, Aunt Hilda, Fruitlupe and Amy), celebrity impersonations (such as Paris Hilton, Miley Cyrus, Sarah Palin, Michael Jackson, Justin Bieber), and spoofs of popular music videos and television shows.
 Most of his major productions were done with the help of producer Lauren Schnipper.
 As of 2017, Dawson predominantly uses his second YouTube channel, "shane", posting mostly comedic vlogs.
Roman Bernard Atwood (born May 28, 1983) is an American YouTube personality, comedian, vlogger and pranker.
 He is best known for his vlogs, where he posts updates about his life on a daily basis.
 His vlogging channel, "RomanAtwoodVlogs", has a total of 3.6 billion views and 13 million subscribers.
 The channel is currently the 50th most subscribed channel on YouTube.
 He also has another YouTube channel called "RomanAtwood", where he posts pranks.
 His prank videos have gained over 1.4 billion views and 10.4 million subscribers.
 Both of these channels are in the top 100 most subscribed on YouTube, and he became the second YouTuber after Germán Garmendia to receive two Diamond Play Buttons for his two channels.
Joelle Joanie Siwa (born May 19, 2003), better known as JoJo Siwa or JoJo with the Big Bow, is an American dancer, singer, actress, and YouTube personality.
 She is known for appearing for two seasons on "Dance Moms" along with her mother, Jessalynn Siwa, and for her singles "Boomerang" and "Kid in a Candy Store".
 Siwa posts daily videos of her day-to-day life on her second YouTube channel JJ S'world.
A slidecast is an audio podcast that is combined with a slideshow or diaporama presentation, or just a live slideshow without audio.
 It is similar to a video podcast in that it combines dynamically-generated imagery with audio synchronization, but it is different in that it uses presentation software, such as PowerPoint, to create the imagery and the sequence of display separately from the time of the audio podcast's original recording.
The Nive Nulls is a YouTube channel of daily Vlogs, with over 350,000 subscribers.
 The vlogs feature the Null Family who live in Kansas City, Missouri.
 The family of five consist of husband, Austin his wife, Brittany, and their three young children Audriauna, Kailand, and Maddox.
 The Nulls are an interracial family; Austin Null is white and Brittany Null is African American.
 Austin Null was inspired by the vlogging family YouTube channel the SHAYTARDS to create their own YouTube channel.
 The Nive Nulls and the Shaytards were later to become friends can be seen making appearances in each other's Vlogs.
 The family posts videos Monday through Friday, of their daily lives as parents, which include typical family behaviors such as taking care of their children and eating together.
 They also include sharing their experiences of racism, interracial relationships, natural hair and, Christianity.
 They began their channel in 2010 and have over 60,000,000 views.
 Their channel has propelled other YouTube family vloggers such as Austin’s brother, Grayson Null and his wife, former gymnast Elyse Hopfner-Hibbs (Null).
 The Nive Nulls have over 80,102,662 views on their YouTube channel.
 In 2013 they won a Youtube Next Up Award.
 Brittany Null has her own Youtube channel titled "Britt's Breakdown" where she Vlogs about fashion, cooking and, motherhood.
Shane and Friends is an American audio podcast created by YouTuber Shane Dawson, starring him and his friend Jessie Buttafuoco (originally his producer, Lauren Schnipper) and Drew Monson.
 The podcast premiered on June 5, 2013 on SoundCloud and iTunes.
 The show focuses on Dawson and co-host Jessie Buttafuoco discussing events happening in popular culture, their personal lives, and those of other celebrities.
 They also interview various celebrities such as Jennette McCurdy, Jamie Kennedy, Eugenia Cooney, Joey Graceffa, CupcakKe, Aislinn Paul, Chris Crocker, Dita von Teese, and Farrah Abraham.
Felicia A. O'Dell (May 7, 1957 – March 17, 2017) known popularly as Auntie Fee, was an American YouTube personality and online cooking show star.
 Her videos were recorded in her kitchen, mostly by her son Tavis Hunter.
 She created more than 50 videos on her YouTube channel, titled 'Cooking With Auntie Fee.'
 Auntie Fee made appearances on "Jimmy Kimmel Live!
", "The Steve Harvey Show" and TMZ.
 She also had roles on the television show "Real Husbands of Hollywood" and the movie "Barbershop 3".
Nathaniel Peterson (born September 1, 1981), widely known as "Coyote Peterson", is an American YouTube personality and wildlife educator.
 He is most known for his wildlife videos on YouTube, which are posted on his channel Brave Wilderness.
 He is well known for a sequence of videos where he lets the insects with the most painful stings, according to Schmidt Pain Index, sting him.
 He hosts several series on his YouTube channel: including "Breaking Trail", "Dragon Tails", and "Coyote's Backyard".

Question: Shane and Friends is an American audio podcast created by an American YouTube personality who  uses his second YouTube channel to post mostly what?
Answer: comedic vlogs