Marvel: Extended Longevity

Aquaria Neptunia (Namora)
Atlanteans age much slower and live much longer than human beings. The average Atlantean lifespan is about 120 years.

Dafydd ap Andras (Damian Tryp)
He does age, but appears to have a longer life span than normal humans. Tryp has implied that after years of attempts, he did gain a sort of immortality. This immortality may be an augmentation of his mutant chronal duplication powers, or the results of dark arts or scientific advancements or a combination of factors.

Namor McKenzie (Namor the Sub-Mariner)
Atlanteans age much slower and live much longer than human beings with the average Atlantean lifespan being about 120 years. Namor, at this time, is considered to be in his physical prime.

Victor Creed (Sabretooth)
In addition, Sabretooth's healing factor provides him with an extended lifespan by slowing the effects of the aging process. He has claimed to be even older than Wolverine. Despite being an, unknown, advanced age, Sabretooth retains the appearance and vitality of a man in his physical prime.

Other Characters

 * Jonas Graymalkin (Graymalkin)
 * Laura Kinney (X-23)