The names given here are unofficial, since there can be slight variations between the TCG languages and these leaks are Italian cards.

Gadarla, the Mysterious Dust Kaiju (unofficial English name)

Level 8 / Insect/Effect / WIND / 2700 ATK / 1600 DEF

You can Special Summon this card (from your hand) to your opponent’s side of the field in Attack Position, by Tributing 1 monster they control. If your opponent controls a “Kaiju” monster, you can Special Summon this card (from your hand) in Attack Position. You can only control 1 “Kaiju” monster. Once per turn, during either player’s turn: You can remove 3 Kaiju Counters from anywhere on the field; halve the ATK and DEF of all other monsters currently on the field.

(picture of the moth)

Jizukiru, the Star Destroyer Kaiju (unofficial English name)

Level 10 / Machine/Effect / LIGHT / 3300 ATK / 2600 DEF

You can Special Summon this card (from your hand) to your opponent’s side of the field in Attack Position, by Tributing 1 monster they control. If your opponent controls a “Kaiju” monster, you can Special Summon this card (from your hand) in Attack Position. You can only control 1 “Kaiju” monster. During either player’s turn, when a card or effect that targets exactly 1 card (and no other cards) is activated: You can remove 3 Kaiju Counters from anywhere on the field; negate the effect, and if you do, you can destroy 1 card on the field.

(picture of the mech)

Interrupted Kaiju Dream (unofficial English name)

Normal Spell Card

Destroy as many monsters on the field as possible, then Special Summon 2 “Kaiju” monsters with different names in Attack Position from your Deck (1 to each side of the field), but they cannot change their battle positions and they must attack, if able. During your Main Phase, except the turn this card was sent to the Graveyard: You can banish this card from your Graveyard; add 1 “Kaiju” monster from your Deck to your hand. You can only activate 1 “Disrupted Kaiju Dream” per turn.

(picture of the clash)

Source: Italian Yu-gi-oh