TV-Series
Description
The Haro appearing in Mobile Suit Gundam ZZ is the same spherical robotic unit that was introduced in the previous series, Mobile Suit Zeta Gundam. This particular Haro is not the original built by Amuro Ray but rather a mass-produced model originally manufactured by a company called SUN. The unit was discovered as discarded junk in a lunar debris field by the young pilot Kamille Bidan, who repaired and reactivated it. It is this identical unit that continues to serve aboard the Argama and later the Nahel Argama during the events of the First Neo Zeon War. Due to the fame of the original Haro and its creator, this model has become a cherished, if slightly antiquated, piece of technology.

In terms of personality, this Haro exhibits a cheerful, persistent, and endearing demeanor. It is characterized by its repetitive vocalizations, often saying its own name or short phrases, which it uses to express enthusiasm, curiosity, or to get attention. Its behavior is largely childlike and innocent, bringing a sense of levity and normalcy to the otherwise grim and high-stakes environment of a warship at war. As a mark of its quirky programming or a lingering glitch from its previous ownership, this Haro continues to address several of its new companions by the name "Amuro." It notably calls the protagonist, Judau Ashta, "Amuro," a habit that began with Kamille Bidan. This confusion serves as a running gag throughout the series and connects the current generation of heroes to the legacy of the original Gundam pilot.

The primary motivation of the Haro is not complex or strategic; it exists to provide companionship and assistance. It functions as a comforting and playful presence, especially for the younger members of the crew. Its interactions are geared toward social bonding and reacting to the emotional states of those around it, often providing a simple, cheerful response to defuse tension. Haro's reason for being on the ship is simply to accompany its friends, reacting with distress when they are in danger and with joy when they are safe.

Within the story of Gundam ZZ, Haro plays a vital role as the mascot and emotional support for the ship's inhabitants. It is most often seen in the company of the young refugee children, Shinta and Qum, serving as their playmate and a tool to keep them occupied. Haro is a constant, rolling presence in the hallways and common areas of the Argama, witnessing the events of the war from the sidelines. While not a combat unit, its presence is important for maintaining the morale of the civilian and youthful crew, offering a small, familiar comfort in the chaos of space warfare.

Key relationships for this Haro include its attachment to the entire crew of the Argama, particularly the main group of protagonists. It follows Judau Ashta frequently, calling out its pet name for him. The relationship between Haro and the mechanic and pilot, Beecha Oleg, for instance, provides moments of humorous interaction. Its dynamic with the children, Shinta and Qum, shows its role as a pacifier and a toy. The character's relationship with its original owner, Kamille Bidan, is a tragic legacy; it is a silent, rolling reminder of Kamille's mental collapse at the end of the Gryps Conflict, as the repaired Haro continues on without its master. The bond it shares with the ship's young captain, Bright Noa, further demonstrates its integration into the vessel's family unit, as even the stern Bright treats the robot with a degree of fondness.

The development of this specific Haro unit is subtle across the series. It does not undergo a dramatic character arc. Instead, its evolution is its seamless transition of loyalty and affection from one set of owners to another. After the departure of Kamille, Haro accepts the new crew of the Argama as its family, signifying a continuity of spirit and hope. It moves from being a relic of the previous war and a symbol of Kamille's trauma to being a joyful component of a new, more rambunctious team. Its continued functionality and cheerful disposition despite the chaos around it demonstrate its resilience and its role as a stable, unchanging point of light.

Regarding its notable abilities, Haro is a highly sophisticated piece of portable technology. Its body is a durable, spherical shell that can roll along the ground at high speed. It possesses two ear-like flaps that can flap, allowing it to hover and maneuver in zero-gravity environments. Its primary means of communication is a limited but expressive speech function. It can open its central hatch to function as a portable computer terminal, and it has been shown to have extendable limbs. One of its most advanced, albeit underutilized, functions is its ability to perceive and measure human brainwaves, a feature originally programmed into the custom models by Amuro Ray. While primarily a pet, its robust design and internal systems make it a capable and reliable personal assistant.