Chris Ulm is a comic editor and writer. He had a huge part in Robotech comics during their time at Eternity Comics and Academy Comics, most notably aiding in the writing of Robotech II: The Sentinels for the first book-and-a-half. He is the co-founder of Malibu Comics and created the Ultraverse label, which was acquired by Marvel.

Jason Waltrip. The Waltrip brothers are identical twins who comprise a comic book art and writing team, known for their work on Robotech comics and in webcomics. The Waltrips were discovered by a talent scout in 1987 who was sent a copy of their amateur comic called CyberKnights. They first became publicly known for their work on Robotech II: The Sentinels, for Eternity Comicsin 1988, despite earlier efforts for Steve Jackson Games on the Car Wars game line. They soon followed up with other spin-off comic series, such as Robotech Genesis: The Legend of Zor, as well as one a few official swimsuit issues.

Continuing the series of books collecting the classic Robotech comic material - collecting Robotech II: The Sentinels Book Two for the very first time!Titan Comics continue their collection of classic Robotech comics material in this huge volume. The epic story of Rick and Lisa Hunter continues! The fight rages on against the deadly Robotech Masters while the Sentinels - a group consisting of various alien species - appear to be willing to help the humans. But are the Sentinels really friends or could this spell the end for Rick, Lisa and the SDF-3? Collects issues 1 to 22 of Robotech II: The Sentinels Book Two.