echo 'digraph {

"Yuugi Mutou" -> "Yami Yuugi" [taillabel = "Alter Ego of"]
"Seto Kaiba " -> "Yami Yuugi" [taillabel = "Rival of"]
"Sugoroku Mutou" -> "Yuugi Mutou" [taillabel = "Grandson of"]
"Katsuya Jonouchi" -> "Yuugi Mutou" [taillabel = "Best friend of"]
"Hiroto Honda" -> "Yuugi Mutou" [taillabel = "Friend of"]
"Anzu Mazaki" -> "Yuugi Mutou" [taillabel = "Friend of"]
"Yami Yuugi" -> "Yuugi Mutou" [taillabel = "Alter Ego of"]
"Noah Kaiba" -> "Seto Kaiba " [taillabel = "Adoptive brother of"]
"Mokuba Kaiba" -> "Seto Kaiba " [taillabel = "Older Brother of"]
"Gozaburo Kaiba" -> "Seto Kaiba " [taillabel = "Adopted son of"]
}' | dot -Tsvg > output.svg