Mercury Seven Col. John "Shorty" Powers, who as a result became known in the press as the "eighth astronaut". They wrote first-hand accounts of their selection and preparation for the Mercury missions in the 1962 book "We Seven". Additionally, each of them separately wrote at least one book describing their astronaut experiences. In 1979, Tom Wolfe published a less sanitized version of their story in "The Right Stuff". Wolfe's book was the basis for the film of the same name directed by Philip Kaufman. The five Tracy brothers from the TV series "Thunderbirds" were named after five of the Mercury Seven astronauts.
Seven of Seven The ending theme is "Birdie, birdie" by Nana Mizuki. "Sgt. Frog"s manga artist, Mine Yoshizaki, created the character concept designs for "Seven of Seven". As such, various crossovers exist between the series. The character of Mutsumi Hojo, who appears as "Examinee 623" and the host of his own radio program in "7 of 7", is a major character in "Sgt. Frog". Melody Honey, a minor character in "Sgt. Frog", appears and even receives a backstory. "Yuurei"-chan also appears in episode 12 of "Nana". In addition, episode 89 of Sgt. Frog features a plot that splits Corporal Giroro into seven personalities,