Organizations

During a number of Unus Annus videos, Mark and Ethan will visit people at various organizations to learn from them.

### People and Groups

* Mark and Ethan attend an escape room, guided by Caden and Abigail of The Basement LA.
	+ Caden gave Mark and Ethan the rules, while Abigail played Quinn, a character in the room.
* Valerie from Erca Clinic performed acupuncture on Mark and Ethan.
* The duo visited Just Float to experience a real sensory deprivation tank.
* Mark, Ethan and Sean visit Tom's Toys to buy toys to donate for Christmas.
* The duo visit Rage Ground to smash inanimate objects, venting their rage.
* Mark and Ethan talk to Isabelle about the casket-making process, and order a custom one from ABC Caskets.
* The gang visit Leslie to learn about salsa dancing at 3rd Street Dance.
* Mark and Ethan have several encounters with Alex, taking trips to Hybrid Wellness to be cyrogenically frozen and experience professional cupping among other things.
	+ Additionally, Alex eventually became Mark's personal trainer and reappeared to direct Mark and Ethan's second fitness test.
* Vixen Deville taught Mark and Ethan how to eat fire, how to lay on broken glass, and how to use an aerial hoop.
* Lorin taught Mark and Ethan how to be mimes.
* Fiona's backyard chicken experience taught Mark and Ethan about life and death.
* Mark and Ethan were attacked and defended by guard dogs by various trainers at Royal Dog Academy by Max.
	+ The description of the video offers a $500 discount from their training programs with the code "Canis".
* Master Bella taught Mark and Ethan the basics of archery at World Pa Kua.
* Mark and Ethan visited Laughing Frog Yoga, where Pharah guided them through Goat Yoga with GiGi and Felix the goats.
	+ Michelle from Hello Critter Care raised and directed the goats to an extent.
* Leila Pari helped Mark and Ethan write a pop song.
* Mark and Ethan take a drum course from Ben Pham.
* The gang learned how to blow glass from Bryan at Glass House.
* Linda joins the crew in exploring an abandoned zoo.
* Mark and Ethan visit DJ Blackarach and learned the basics of DJing at his studio.
* Danciel Locicero taught Mark and Ethan stunt fighting.
* Joshua King of JCK Productions had a huge hand in the music video for The Barrel.
	+ Schmoyoho also had a huge hand in the song's production.
* Luna's Security Training helped Mark and Ethan learn what it's like to be pepper sprayed.
* The gang visit BodySpec to get body scans.
* Jay of Prehistoric Pets let Mark and Ethan feed alligators and hold a massive snake.
* Josh helped Mark and Ethan cook a themed meal for the live-action How the Grinch Stole Christmas.
* Austen and Matt guided Mark, Ethan and James Charles through a military obstacle course.
* Monika of Gilchrist Farms taught Mark and Ethan how to milk a goat.
	+ Additionally, the farm hosted a class on horseback archery that Mark and Ethan took.
* Taylor of The Dancing Fire taught Mark and Ethan aerial silks.
	+ Taylor initially appeared on Mark's channel, teaching him aerial silks long before Unus Annus's debut.
* Liza performed hypnotherapy on Mark and Ethan.
* Andre, Ethan's personal trainer, helped with the gang's final great fitness test.
	+ Alex also returned for this venture.