A mastodon is a large, elephant-like mammal of the extinct genus Mammut (formerly Mastodon). Mastodon may also refer to: Animals Gomphotheriidae, an extinct family of elephant relatives. Software Mastodon (software), open-source software for federated micro-blogging, similar to Twitter. Places Mastodon Township, Michigan Vehicles Mastodon (steam locomotive) (CPR #229), the very first steam locomotive of the 4-8-0 wheel arrangement. A nickname for the 4-10-0 wheel arrangement. Music Mastodon (band), an American heavy metal band. Mastodon (album), a box set released by the band's former label. Comics and games Mastodon (Weapon X), a comic book character who plays a minor role in the backstory of Wolverine. Mastodon (New Universe), the code-name of one of members of the DP7 comic book superhuman group. Mastodon, a gigantic quadrupedal walker in the game Command & Conquer 4: Tiberian Twilight. Sport and athletics Purdue Fort Wayne Mastodons, the athletic teams and mascot of Purdue University Fort Wayne. See also Mammut (disambiguation) Mammoth (disambiguation) Elephant (disambiguation)