Weekend of Wonder: Meet Martin and Olivia Olson of Adventure Time fame

We’ve got an incredible lineup of special guests coming to Boing Boing’s Weekend of Wonder in September. In the coming weeks, we’ll introduce them here. This week, meet Olivia Olson and Martin Olson!

Olivia is a singer-songwriter and actress, known for her voice roles as Vanessa Doofenshmirtz in Phineas and Ferb and Marceline the Vampire Queen in Adventure Time. In 2003 Olivia sang “All I want for Christmas” in the movie Love, Actually. She was 11 years:

Here’s Olivia singing as Marceline from Adventure Time:

Martin is the author of the Adventure Time Encyclopaedia and the Encyclopaedia of Hell (published by our friends at Feral House and designed by the great Sean “Craphound” Tejaratchi). He was the lead writer for the first season of Phineas and Ferb and is the voice of Adventure Time‘s Hunson Abadeer (a.k.a. the Lord of Evil), Marceline’s father and ruler of the Nightosphere.

Together Martin and Olivia made full-length CD of songs called The Father Daughter Album of Unspeakable Beauty. They will perform songs from the CD at Weekend of Wonder as well as sign copies of their upcoming book Adventure Time: The Enchiridion & Marcy’s Super Secret Scrapbook. Everyone who attends of Wonder will receive a copy of the book.

Tickets to Boing Boing’s Weekend of Wonder in association with Baby Tattoo are selling at a brisk clip. You can still get the 20% early bird discount off the registration price by using the word BOING.