The man only known as Mastodon was a member of Central Intelligence Agency's Team X in the 1960s, alongside Wolverine, Sabretooth, Maverick and Kestrel.[4]

He took part in a mission in Cuba against former Team X member Silver Fox, who has betrayed the C.I.A. and was then known as Zora de Plata.[5]

He was at Berlin, Germany with other members of Team X when they battled Omega Red and obtained the Carbonadium.[4]

He appeared for the first time in the present day as an old man, dying the arms Jubilation Lee from old age.[6]

Discover and Discuss


  1. 1.0 1.1 First and only known appearance to date besides flashbacks
  2. Uncanny X-Men #258
  3. Wolverine Vol 2 #48
  4. 4.0 4.1 Wolverine Vol 2 #60
  5. Wolverine Vol 2 #61
  6. Wolverine Vol 2 #61-62

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