"Unknown"@en . "Jaco Checkbox"@en . . . "Jaco Checkbox is a character featured in hand in killer7, and the author of Jaco's Report. Although he does not feature in killer7 itself, he is implied in hik7 to have played a significant behind-the-scenes role in the game's plot and backstory. His real name is never revealed, as he prefers to go by the pseudonym 'Jaco'."@en . . "\u30B8\u30E3\u30B3\u30FB\u30C1\u30A7\u30C3\u30AF\u30DC\u30C3\u30AF\u30B9"@en . "Jaco Checkbox is a character featured in hand in killer7, and the author of Jaco's Report. Although he does not feature in killer7 itself, he is implied in hik7 to have played a significant behind-the-scenes role in the game's plot and backstory. His real name is never revealed, as he prefers to go by the pseudonym 'Jaco'."@en . . "hand in killer7"@en . "Jako Chekkubokkusu"@en . . . . "American"@en . "Jaco Checkbox"@en . "FBI Agent"@en .