Here are the characters I'm using

Gojira

Godzilla (1998)

Godzilla (Millennium)

Mecha Godzilla

Super-Mecha Godzilla

Kiryu

Legendary Godzilla

Shin Godzilla

Earth Godzilla

Millennium Godzilla

Bio Godzilla

Zilla

Nightmare Godzilla

Rodan

Mothra

Millennium Gigan

King Ghidorah

Hedorah

Fire Rodan

Mecha King Ghidorah

Biollante