Mountain Man[1] is a sentient mountain who appears in "Memories of Boom Boom Mountain." He hates when the Marauders roughhouse - the violence makes him sad and their fantastic bodies aggravate him. Being a stationary mountain, he is unable to look away. He seems very fragile and caring of both people's and animal's health and well-being. He cries boulders out of his eyes, often causing avalanches. He was the first character on Adventure Time to say "math" as a profane word.

He is located next to Mountain 2 who enjoys staring at his beautiful back, which poses a problem. Mountain Man wants to look away so that he won't see the Marauders roughhouse, but the female mountain enjoys staring at the male mountain's back.


Mountain Man is jagged and has patches of grass and trees on his knees, feet, and arms, which he has despite being a mountain. His limbs haven't been used as of yet. He also has holes for eyes and a mouth, with a nose between them. Another mountain stands behind him who loves staring at his gorgeous back, which has short grass, a stream and two hills which appear to be his butt. He speaks with the voice of an old man.


Mountain Man is very temperamental. He's been upset due to the Marauders. He obviously cares for other creatures' well being, since he got mad at Finn when he tied animals to the Marauders. His most noticeable characteristic is being anti-violence.


No! That was terrible! Now the men are just punching animals! It's worse than before, and it's in no way a good solution!

Well, you should be! It's not fair to those animals, and it's not fair to me! I might just start to cry again, you know. (sobs)

—"Memories of Boom Boom Mountain"

That's okay. Only if you guys promise to stay healthy and not roughhouse after you rotate me.

—"Memories of Boom Boom Mountain"

Thank you, Finn. You really helped everybody!

—"Memories of Boom Boom Mountain"

Please! No roughhousing! It makes me so sad! (sobs)

—"Memories of Boom Boom Mountain"



  1. He is sometimes erroneously referred to as "Boom Boom Mountain" due to the episode's title, but the dialogue and character design sheet call him "Mountain Man."
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