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Arcturus Rann is the son of Lord Dallan Rann and Lady Sepsis of the planet known as Homeworld, located in the Microverse. He was chosen for a 1,000 year mission to explore and journey across the Microverse. During his travels, he became linked with the Enigma Force, the essence of the Microverse itself, which granted him certain powers but also eventually gave him cancer from overexposure.  
When his mission was complete, Arcturus returned home only to find that his parents had been murdered by Baron Karza, his former teacher, and he is imprisoned. Arcturus then joined forces with Bug and Princess Marionette to rebel against Karza. They succeeded in his defeat but not before he completed the eradication of the inhabitants of Homeworld. 


Arcturus Rann was created by Bill Mantlo and Michael Golden and first appeared in Micronauts #1 (1979).

Mayor Story Arcs

Forming the Micronauts

Arcturus and the others formed the Micronauts, where Arcturus led them on adventures across the Microverse in the HMS Endeavor.  

Meeting Cable

Enigma Force and the Son of Hulk

Arcturus began searching for the Enigma Force Nullifier and continued his search for decades. He believed that with the device he could cure his cancer. Along with Carl the Death's Head robot and a recently returned Marionette, they found the nullifier on the planet K'ai, only to find the crazed son of Hulk, Hiro Kala. Hiro planned to destroy the Old Power, which included destroying the Microverse. Instead of curing himself, Arcturus used the Nullifier in an attempt to defeat Hiro Kala. 
When the Nullifier Wave was released, it reset the Microverse from the destruction Hiro unleashed and cured Arcturus' cancer. But Hiro was not defeated and took K'ai with him into the the regular universe. Arcturus formed the Enigma Force as a group to follow Hiro, defeat him and return the planet to it's rightful place in the Microverse. 

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