Godzilla: Oh, hey
Rodan: Hello
Mothra: Why hello there
Ghidorah:

• Ichi: "Hello"
• Kevin/San: "Hwello"
• Ni: "Hello mate"
  Anguirus: Hey
  Jet Jaguar: Hello
  Monster X: Hello
  Gigan: Hello
  Hedorah: Hello
  Megalon: Hello
  King Caesar: Hello
  Destoroyah: Hello
  Mechagodzilla: Hello
  King Kong: Hello
  Muto: Hello
  Biollante: Hello
  Baragon: Hey
  Gorosaurus: Hello
  SpaceGodzilla: Hello
  Varan: Hello
  Ebirah: Hello
  Kumonga: Hello
  Scylla: Hello
  Behemoth: Hey
  Gamera: Hello
  Ion Dragon: Hello
  Shinomura: Hello
  Abaddon: Hey
  Amhuluk: Hi
  Baphomet: Hey
  Bunyip: Hello
  Butterfly Bush: Hi
  Camazotz: Hello
  Camazotz's Minions: Hi
  Croc Monster: Hey
  Dagon: Hi
  Death Jackal: Hello
  Dog: Hi
  Dream Slime: Hello
  Endoswarmer: Hi
  Fern Bird: Hey
  Frost Vark: Hello
  Genitor: Hey
  Genitor Swarm: Hi
  Giant Dodo: Hello
  Grass Hedgehog: Hey
  Hawk: Hi
  Hellhawk: Hello
  Hollow Earth Lizard: Hey
  Jovian Flytrap: Hello
  Killer Chameleon: Hello
  Kraken: Hey
  Leviathan: Hi
  Magma Turtle: Hey
  Mantleclaw: Hi
  Margygr: Hey
  Methuselah: Hi
  Mire Squid: Hey
  Mokele-Mbembe: Hello
  Mother Longlegs: Hi
  MUTO Prime: Hey
  Na Kika: Hi
  Nightboy: Hello
  Psychovulture: Hello
  Quetzalcoatl: Hey
  Rock Bug: Hi
  Sekhmet: Hello
  Shocker Squid: Hi
  Sirenjaw: Hello
  Sker Buffalo: Hi
  Skull Island Deer: Hello
  Skullcrawler: Hi
  Snake Squid: Hello
  Snarehunter Ant: Hi
  Spirit Tiger: Hello
  Spore Mantis: Hey
  Swamp Locust: Hi
  Tiamat: Hello
  Trapdoor Crab: Hi
  Tree of Woe: Hey
  Triceratops: Hello
  Typhon: Hey
  Unidentified Aloe Turtle: Hello
  Unidentified Giant Ant: Hello
  Unidentified Giant Centipede: Hi etc...