Jeremy Jaden Shada / ed / (born January 21, 1997 as Jaden Jeremy Shada) is an American actor, voice actor, singer and musician who is best known for his work as the voice of Finn the Human from the American animated television series Adventure Time. He is also known for starring as various characters in the sketch-comedy series Incredible Crew and currently voice acts as Lance in Voltron: Legendary Defender.

Based on this passage, who does the voice of finn the human? Let's give stream of consciousness first:
The relevant information to answer the above question is: Jeremy Jaden Shada / ed / (born January 21, 1997 as Jaden Jeremy Shada) is an American actor, voice actor, singer and musician who is best known for his work as the voice of Finn the Human from the American animated television series Adventure Time.
So, the final answer is Jeremy Jaden Shada / ed /.