അവ്യക്തതയിലേക്ക് വിധിക്കപ്

By SUGILA

From Original Godzilla Movie (JP, 1954)/Godzilla, King of the Monsters (NA, 1956)

By Kozeni

The Most Powerful unused monster in the Godzilla series.

From Super Godzilla (1993) and Godzilla Movie Studio Tour (1998)

By Tokuiten & Snowwolf

The Infamous kaiju that killed Godzilla.

From Godzilla vs. Destoroyah (1995)

By JosipKnezovicz

From Godzilla vs. Hedorah/The Smog Monster (1971)

By Jirougaki

Battra's Adult form

By Burninggodzillalord

From Godzilla vs. Mothra (1992) 

By Burninggodzillalord, edited by Matti

From Godzilla vs. Biolante (1989)

By SUGILA

From Godzilla vs. King Ghidorah - Heisei era (1991)

By Jirougaki

From Godzilla vs Mechagodzilla 2/II (1993)

By muu

From Godzilla vs Mechagodzilla (1974)

By Kozeni

From Godzilla vs Megalon, also starring Gigan and Jet-Jaguar. (1973)

By Jirougaki

From Godzilla vs Gigan (1972)

By muu

From Rodan (1955) and Godzilla vs Ghidorah, the Three-Headed Monster (1964)

By SUGILA

From Godzilla vs Ghidorah, the Three-Headed Monster (1964)

Warning: Random game crashes would happen while playing as Ghidorah.

By muu

From Godzilla Raids Again (1955)

By Malxrange

The little girl from Hat in Time.

By c.r

The annoying weirdo from the show Osomatsu-san

By Foxtlot

From first stage boss in Gradius series.

By c.r

From the Bubble Bobble series.

By RobsonMSH

Marvel's God of War

By c.r

From Elevator Action

An arcade game where you play as a spy in a 30-story building who searches for secret documents while avoiding or taking down enemy agents to escape.

Fact: The Game Boy Color port Elevator Action EX became the base for Cartoon Network's first game for one of their characters Dexter from Dexter's Laboratory in Dexter's Laboratory: Robot Rampage. 

By c.r

From some weird magical beat'em up arcade game Pu-Li-Ru-La, the one that has the woman legs coming out the doors in the 3rd stage.

By c.r

From Front Line Arcade. Has assist characters, Zac and Mel from Pu-Li-Ru-La

By c.r

From Bubble Bobble series.

By c.r

From Chack'n Pop and other Bubble Bobble games

Note: it has a scare of specific characters intro trigger.