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Nebulon is an Ul'lula'n, a tentacled aquatic alien originating from the planet Ul'lula. After being sent off-world to find resources, Nebulon battles the Defenders before sacrificing himself in an attempt to save his wife Supernalia from an energy-draining ray. Both of them are killed, leading the Avengers to bury them in the Himalayas.
Powers and abilities
Nebulon is an alien who can harness planetary energy for various effects, such as manipulating energy, teleporting, and shapeshifting. He is additionally highly intelligent and knowledgeable in existential philosophy.
References
The Defenders #13
The Defenders #14
The Defenders #33
The Defenders #36-37
The Defenders #38
The Defenders Annual #1
External links
Nebulon at The Appendix to the Handbook of the Marvel Universe
Cover to Defenders #34