The Domestobot is a robotic servant mass-produced in the 1980s and still widely referenced in the 1990s in the GTA III Era. In the GTA IV Era, they make a comeback in the late 2000s. It appears to be based on the Tomy Omnibot 2000, though the head is more similar to that of the Nintendo R.O.B..
The Domestobot is one of the few elements in the GTA III-era games that is not in keeping with the time frame. Although there were toy "robots", some with speech synthesizers, that were popular in the early 1980s, such as "S.A.M." and much speculation as to whether robot servants would become available commercially, in the real world in the time frame of the games such devices were not yet available to the sophistication shown in the games, such as the ability follow complex verbal instructions like Armando asking for it to fetch him a snack.
Grand Theft Auto: Vice City Stories
The Domestobot is prominent in the mission Domo Arigato Domestoboto (set in 1984), Lance Vance plans to destroy Armando Mendez's vault containing his bonds and hires some high-tech equipment that can control Armando's Domestobot, which he bought under the encouragement of Diego. Vic Vance recieved word of the delivery before Lance and decided to take out the bonds using the Domestobot himself. The Domestobot can be driven and is obtainable through cheat devices and third party programs.
Grand Theft Auto: Vice City
Set in 1986, the radio spot for Domestobot aired on Emotion 98.3 and KCHAT. The advertisement informs the listener that it is three feet high, says only ten different phrases, and is a robotic servant.
Grand Theft Auto: San Andreas
Set in 1992, Adam First calls into Area 53 on WCTR to report seeing a group of Domestobots in the middle of the desert while hang gliding. Later on, Area 53 receives a caller going by the name of 632369439, a Domestobot programmed for evil (As said by the radio's host. Although the caller right before said a man in the desert was performing weird "rituals" to the Domestobots, so the evil response would be for defence).
Grand Theft Auto: Liberty City Stories
Set in 1998, before The Electron Zone on LCFR, a woman is heard on the air saying that she is "the first woman married to a Domestobot."
Grand Theft Auto IV
Set in 2008, the company that produced Domestobot, Electro Toys, releases a new creation called El Chamuco Roboto, a Mexican gardener bot that has an official website accessible in internet cafes.
There is also an in-game website devoted to the robot, Domestobotlovers.com.