Godzilla



Godzilla (ゴジラ, Gojira) is a monster that did not appear in any Ultra series. However, his suit actor Mosugoji has made cameo apearences throughout some of the original series. Such as the part one finale of Ultraseven, however the monster Jirass is famous for having the same design as Godzilla, but with a crest, and Godzilla's design has inspired many monsters throughout the Ultra series, like Gomess and Earthtron.

Ultraseven
Godzilla's iconic roar can be heard in Dan's flashback montage to Seven's fights when his superior tells how the monsters he has fought have worn him down to nothing.

Ultraman Max
Both Gamera and Godzilla figures are seen fighting in children hands on Ultraman Max, "The Prophesy of Varaji". Before the epic vinyl battle can be continued though, the two children are interrupted by the monster Antlar.

Trivia

 * The Mosugoji suit is used to portray the monster Gomess in Ultra Q.
 * The suit is used again in Ultraman 1966 for the monster Jirass.
 * Bemular and Red King have edited Godzilla roars.
 * since Godzilla and gamera appeared in ultraman max its possible that they both exist in the ultraman universe.
 * In ultraseven, it's possible Dan once encountered Godzilla.