Masashi Hirose is the only voice actor from Mobile Suit Gundam (1979) to appear. Hirose, who played the Gouf pilot, Mr. Ral, also played the Gouf pilot Lieutenant Ramba Ral in the original series.
Although much about his character is unexplained, Build Fighters makes a heavy reference of this including his age, appearances and some characters in the show even refer to him using Ramba Ral's rank of "Lieutenant" or his title, "Blue Giant".
Although much about his character is unexplained, Build Fighters makes a heavy reference of this including his age, appearances and some characters in the show even refer to him using Ramba Ral's rank of "Lieutenant" or his title, "Blue Giant".