Minor characters/Unseen

Jay Rock
Jay Rock is an unseen minor character in The Loud House.

Biography
Jay works at an unnamed radio station.

He is only heard through Luna's radio in "Undie Pressure". He's giving away tickets for a Mick Swagger concert to the caller with the best British accent. Luna calls to the radio station and speaks in her British accent, losing the bet in the process.

He returns in "Making the Grade", to announce free passes for the Royal Woods Spa to anybody who can name the three classifications of rocks. Eager to win them, Lola quickly dials the number, and tells Lisa to give the answer. However, instead of naming the three classifications of rocks, she instead gives off three types of rock music, which costs them their chance of winning the tickets.

Trivia

 * He has the same name as American rapper,.
 * His Polish voice actor voices Mick Swagger.

Liam's Sister
Liam's Sister is an unnamed, unseen minor character inThe Loud House. She is Liam's younger sister, and Lisa's classmate. She was first mentioned in "Making the Grade".

Trivia

 * It's possible that she and her brother live with their grandmother, because Liam mentions in "Back Out There", that his grandmother says that he has to be home before it gets dark out.

Margie
Margie is an unseen minor character in The Loud House. She was one of Lynn Sr.'s co-workers at his previous job.

Biography
Margie was first heard in "A Novel Idea", where Lana and Lola try to attack her in Lynn Sr.'s office for "Take Your Daughter To Work Day". She hates that event, and has never had an on-screen appearance. After the twins attacked her, according to Lola, she took a leave of absence.

Marty Malach
Marty Malach is an unseen incidental minor character in The Loud House.

Biography
He's only mentioned in "Out of the Picture", where Liam tells his story. Marty wasn't in many group portraits, and all he has is the itty bitty portrait of him, and no one looked at it. As a result, he's now forgotten, and he lives behind Liam's barn.

Trivia

 * His surname is a reference to the show's producer, Karen Malach.
 * Lincoln and Clyde getting Marty's name wrong.

Simon Sharp
Simon Sharp is the only brother of Luna's love interest, Sam. He is shown in his sister's bio in the comic, "Live Life Loud!".

Trivia

 * It's shown on Sam's bio that she thinks having one sibling is enough chaos.

Mr. Santiago
Mr. Santiago is an unseen minor character in The Loud House, and he is the father of Bobby and Ronnie Anne. He was first mentioned in "A Tale of Two Tables".

Trivia

 * It is unknown as to what became of Mr. Santiago, but with this info, he and Maria are possibly divorced or separated.