Mom's sons

Walt, Larry and Igner (listed oldest to youngest) are the sons of Mom, owner and CEO of Mom's Friendly Robot Company. They each work as assistants to their mother and each own 0.1% of the company. Walt has stated that he'd like to marry someone like his mother and Larry has been seen on a date with Hattie (thanks to Bender's dating service).

Family

 * Mom, Mother.
 * Dr. Wernstrom, (possibly Walt and/or Larry) Father.
 * Professor Farnsworth, Igner's Father.

Trivia

 * Larry has appeared more often than his siblings, albeit in non-speaking roles.
 * Igner was originally thought to be spelled as "Ignar".
 * Igner is the half brother to Walt and Larry, due to his father being Professor Farnsworth.
 * It is revealed that Farnsworth is Igner's father in Bender's Game during a parody of the fight between Luke Skywalker and Darth Vader, in Star Wars Episode V: The Empire Strikes Back, in Momon's cave.
 * Igner's name could be a pun on the insult "igneramus".

Quotes

 * Igner: Can I wear your fat suit? Mom: No Igner, put that down!
 * [repeated line in Bender's Game] Igner: We're owl exterminators!

Appearances

 * - Larry only
 * - Larry only
 * - Larry only
 * - Larry and Igner only
 * - Larry only
 * - Larry and Igner only
 * - Larry only
 * - Larry and Igner only
 * - Larry only
 * - Larry and Igner only
 * - Larry and Igner only
 * - Larry and Igner only
 * - Larry and Igner only