Unlike his main counterpart, Robin is the only alter ego of Dick Grayson, who uses the title into adulthood, rather than taking on later codenames such as Nightwing or Batman.

Both were depicted as separate, though parallel, individuals living in their respective universes, with the "older" Earth-Two character eventually reaching his retirement and death.

After the events of DC's continuity-altering Flashpoint, Earth 2's Dick Grayson never adopted the role of Robin, which was instead originated by Helena Wayne, daughter of Earth-2's Batman and Catwoman, who later took the name Huntress.

Dick instead married Barbara Gordon and lived an ordinary life until Darkseid's second invasion forced him to learn survival skills from Ted Grant.

When Barry Allen met Jay Garrick,[3] it meant there were two Flashes, two Green Lanterns, two Supermen, and two Batmen.

[5] While his younger doppelganger attends and then leaves college prematurely, Grayson pursues further education to attain his law degree.

Years later, Robin, along with his heroic colleagues, perished at the hands of the Justice League due to the involvement of Earth-Prime resident turned supervillain Cary Bates, however he was soon restored to life.

[11] After his involvement with the Justice Society of America when the villains Brainwave and Per Degaton attempt to destroy the world at several key points including China, South Africa and Seattle in the United States, he returns to Gotham City.

[15] Grayson left Gotham after this incident, returning years later when the Joker came out of retirement to attack several prominent Gothamites including Police Commissioner O'Hara.

Following this crisis Earth Two "never existed" and retroactively removed Earth-Two Robin from history, blending elements of his past with Earth-One, effectively creating a new modern continuity.

[18][19] Throughout his documented history, this version of Dick Grayson showed an unwavering allegiance towards Batman, even going so far as to take his mentor's vacated membership in the Justice Society of America.

[20] He adopted a costume similar to his mentor and used several retrofitted vehicles and devices derived from Batman's original versions rather than using the sort of unique equipment utilized by the Earth-One Grayson.

Robin developed resentment towards the Earth-One Batman during their first meeting after the original's death, which turned to grudging respect and finally acceptance.

[21] Previously, Robin showed a type of mentorship towards his younger counterpart, providing him a costume with elements he himself would eventually adopt.

This was stated by both post-Crisis Earth-2 Helena and a dying aged Joker who knew the secret identities of the Earth-2 Batman, Robin and Huntress.

Following Batman's death at the end of an invasion from Apokolips, Earth-2's Supergirl and Robin were swept across alternate universes by an interdimensional vortex to DC's Prime Earth and have adopted new identities as the Power Girl and Huntress respectively.

[28] During the "Convergence" storyline, Dick and Batman land the ship of survivors on the planet Telos were its self-titled entity states that a war of the worlds will begin.

Batman finally catches up to Terry Sloane who has gained access to a terraformer from the (Source Vault) which he plans to turn the new world into a replica of Earth 2.