Question: Which American actor played the main character's boyfriend on the show debuting on Disney Channel on July 21, 2017?

Context articles: Dove Cameron
Donald's Quack Attack
Read It and Weep
Tahj Mowry
Jonathan McDaniel
Descendants 2
Raven's Home
Disney Channel (Spain)
Mickey's Mouse Tracks
Elena and the Secret of Avalor

Dove Cameron (born Chloe Celeste Hosterman; January 15, 1996) is an American actress and singer, best known for playing a dual role as both title characters in the Disney Channel teen sitcom "Liv and Maddie" and starring in "Descendants" as Mal, daughter of Maleficent.
 She reprised her role as Mal in "Descendants 2", which premiered on July 21, 2017, on Disney Channel.
Donald's Quack Attack is an American television series which ran on The Disney Channel and was later rerun on Toon Disney.
 It premiered on November 2, 1992, along with "Mickey's Mouse Tracks", on The Disney Channel.
 It featured Disney animated short films, especially those with Mickey Mouse, Donald Duck, and Goofy.
 Each episode lasted about 22–28 minutes, leaving some time for commercials.
.
 A similar Mickey Mouse version was called "Mickey's Mouse Tracks", however, unlike "Mouse Tracks", "Quack Attack" was run with a manic energy.
 In between the cartoon shorts, a screen would appear with a random background color (pink, blue, green, etc.) With a clip in the corner from a random Donald Duck cartoon.
 There was a thermometer with Donald's head on the bottom.
 When the clip showed Donald getting angry, the head on the thermometer would go up and make a dinging sound.
 This was called the "Quack Attack Meter."
 This 10-25 second clip would appear 2 to 4 times per show, depending on how long the shorts were.
 The credits for the show did not name anyone.
 Instead, it stated, "The cartoons in this program are the work of the animators from THE WALT DISNEY COMPANY over the past 60 years."
 When the show premiered in 1992, it was meant to replace "Donald Duck Presents".
 It was not possible to know what episode was going to be shown on any given day, but the show did feature showings of some shorts that do not show up on "The Ink and Paint Club" along with some shorts made by the "Fleischer" brothers, and clips from the animated features, such as "Snow White and the Seven Dwarfs", "Pinocchio", "Peter Pan", and "Lady and the Tramp".
 "Donald's Quack Attack" aired on The Disney Channel from 1992 to 2000, and on Toon Disney from 1998 to December 2002.
 From April 2001 to December 2002, "Quack Attack" usually aired weekdays at 5 a.m., and every night at midnight.
 When "Quack Attack" aired on Toon Disney, there were short commercial breaks in between each cartoon, unlike the airings on The Disney Channel.
 On some episodes, the first cartoon was cut from the episode to make room for commercial breaks.
Read It and Weep is a 2006 Disney Channel Original Movie which premiered on July 21, 2006.
 It is based on the novel "How My Private, Personal Journal Became A Bestseller" by Julia DeVillers.
 Sisters Kay and Danielle Panabaker star as Jamie Bartlett and her alter ego Isabella (Iz or Is), respectively.
 Both sisters have starred in previous Disney Channel films: Kay in "Life Is Ruff" (2005), and Danielle in "Stuck in the Suburbs" (2004), like "Read It and Weep", those films also premiered in July in their respective years.
Tahj Dayton Mowry ( ; born May 17, 1986) is an American actor, voice actor, singer and dancer.
 Mowry is the brother of identical twins Tia Mowry and Tamera Mowry.
 He is known for his show "Smart Guy" as the main character TJ on The WB, though the show gained later notoriety on the Disney Channel.
 Mowry was later cast as a ten year old super genius Wade Load on Kim Possible as a nod to this role.
 He is also known for his role on "Full House" playing Michelle's best friend, Teddy.
 Tahj also played Tucker Dobbs on Freeform's hit comedy TV show Baby Daddy.
Jonathan Richard McDaniel (born May 17, 1985), better known by his stage name Lil J, is an American actor and rapper.
 He is best known for his role as Devon Carter (Raven Baxter's boyfriend, and later husband) on the hit Disney Channel shows "That's So Raven" and "Raven's Home", as well as German Vega on VH1's "Hit the Floor".
Descendants 2 is a Disney Channel Original Movie that premiered on July 21, 2017 on Disney Channel, and was simulcast on Disney-owned networks ABC, Disney XD, Freeform, Lifetime and Lifetime Movies.
 It is the sequel to the 2015 film "Descendants".
 The film stars Dove Cameron, Cameron Boyce, Sofia Carson, Booboo Stewart, Mitchell Hope and China Anne McClain.
Raven's Home is an American comedy and family television series developed by Jed Elinoff and Scott Thomas that premiered on Disney Channel on July 21, 2017.
 Based on the characters created by Michael Poryes and Susan Sherman, the series is a spinoff and sequel to "That's So Raven", the second spinoff from that series after "Cory in the House".
 The series stars Raven-Symoné, Issac Ryan Brown, Navia Robinson, Jason Maybaum, Sky Katz, and Anneliese van der Pol.
Disney Channel Spain is a free-to-air television channel and is an edition of The Walt Disney Company-owned Disney Channel, broadcasting in Spain.
 It is marketed to mostly children; however, in recent years the diversity of viewers has increased with an older audience.
 It is owned by "Disney-ABC Cable Networks Group."
 which is owned by The Walt Disney Company and by Spanish group Vocento which includes the conservative Spanish newspaper ABC (unrelated to Disney's American TV network also named ABC).
 It began broadcasting in 1998 as a satellite television channel.
 On July 1, 2008, it replaced the channel Fly Music on the Spanish digital terrestrial television, thus becoming the first Disney Channel available on free television.
Mickey's Mouse Tracks is an American animated television series on The Disney Channel which ran from 1992 to 1995, and featured Disney cartoons and animated short films, dating from before the advent of The Disney Channel.
 A similar show was "Donald's Quack Attack".
 The show premiered on November 2, 1992, along with "Donald's Quack Attack", on The Disney Channel.
 The show was made to replace "Good Morning, Mickey!
".
 A show identical to this show called "Mickey Mouse and Friends" premiered in 1994.
 It was not possible to know what episode was going to be shown on any given day, but the show "did" feature showings of some shorts that do not show up on "The Ink and Paint Club" along with some shorts made by the "Fleischer" brothers, and clips from the animated features, such as "Snow White and the Seven Dwarfs", "Pinocchio", "Dumbo", "Cinderella", and "Alice in Wonderland".
 In 1996, the show was replaced by "Mickey Mouse Works", later given a plot as "House of Mouse".
 In between each cartoon, a short segment featured a small clip of a Mickey Mouse cartoon, accompanied by the "Mouse Tracks" logo.
 In addition to airing on The Disney Channel from 1992 to 1996, the show also ran on Toon Disney from 1998 to 1999.
Elena and the Secret of Avalor is an American computer-animated musical fantasy adventure crossover television movie between two Disney television series, Disney Junior's "Sofia the First" and Disney Channel's "Elena of Avalor", taking place before the latter series.
 It is also the 21st episode of "Sofia the First" - Season 3 and the 74th episode in the series.
 It premiered on November 20, 2016, on both Disney Channel and Disney Junior.
 The Primetime special was directed and Executive Produced by Jamie Mitchell and Craig Gerber Executive Produced and wrote the screenplay.
 The show was honored with a 2017 Emmy nomination for Outstanding Animated Show by the Television Academy.
 "The Secret of Avalor" debuted on Disney Channel in the UK on December 3, 2016.