Thunder Nyan Nyan
Thunder / Effect
LIGHT / 
4If there is a non-LIGHT monster on your side of the field, destroy this face-up card.
1900/800
CARD ID: 70797118
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| TCG Set | Symbol | Rarity | Low | Avg | Trend | |
|---|---|---|---|---|---|---|
| Dark Beginning 2 | DB2-EN169 | Rare | -,--€ | -,--€ | -,--€ | |
| Legacy of Darkness | LOD-059 | Rare | -,--€ | -,--€ | -,--€ | |
| Legacy of Darkness | LOD-EN059 | Rare | -,--€ | -,--€ | -,--€ | |
| Tournament Pack 6 | TP6-EN014 | Common | -,--€ | -,--€ | -,--€ |
This card is most likely based on the Japanese legend of the Oni, ogres who often wore tigers skin clothing.
The drums and drum sticks this monster has are based off of the ancient Japanese deity Raijin (thunder meaning rai), the god of lighting, who is usually depicted carrying them (excluding the cymbals).
This card's ATK, DEF, Type, and Attribute are all identical to those of Thunder King Rai-Oh.
Nyan is an example of Japanese readings highly approximating to Chinese readings, more than on'yomi, because the word 娘 is read in Chinese as niáng (niáng means Miss and niáng niáng means lady). Interestingly, nyan is reminiscent of Japanesse words of animal sounds, that is the meow of cats in this case. So is the word 王 (ō, king) which can be read as wan, that sounds like dogs' bark. Other Chinese-style-read Japanese words have been known so far in Yu-Gi-Oh! are kyonshī as in Master Kyonshee, shaoron as in Stardust Xiaolong, wanfū as in King Tiger Wanghu and shin tsen fū as in Xing Zhen Hu and Xing Zhen Hu Replica.
This card has an anime-exclusive version, Kung Fu Nyan Nyan.
This card has a close resemblance to Lum Invader from the Manga/Anime Series Urusei Yatsura:
They both share the same tiger-skinned outfits and horns, as they are both based on the Japanese legend of the Oni Ogres, who are also known to manipulate thunder and electric shocks.
They both have nearly the same exact appearance, minus the faces, hair length and colors.
The drums and drum sticks this monster has are based off of the ancient Japanese deity Raijin (thunder meaning rai), the god of lighting, who is usually depicted carrying them (excluding the cymbals).
This card's ATK, DEF, Type, and Attribute are all identical to those of Thunder King Rai-Oh.
Nyan is an example of Japanese readings highly approximating to Chinese readings, more than on'yomi, because the word 娘 is read in Chinese as niáng (niáng means Miss and niáng niáng means lady). Interestingly, nyan is reminiscent of Japanesse words of animal sounds, that is the meow of cats in this case. So is the word 王 (ō, king) which can be read as wan, that sounds like dogs' bark. Other Chinese-style-read Japanese words have been known so far in Yu-Gi-Oh! are kyonshī as in Master Kyonshee, shaoron as in Stardust Xiaolong, wanfū as in King Tiger Wanghu and shin tsen fū as in Xing Zhen Hu and Xing Zhen Hu Replica.
This card has an anime-exclusive version, Kung Fu Nyan Nyan.
This card has a close resemblance to Lum Invader from the Manga/Anime Series Urusei Yatsura:
They both share the same tiger-skinned outfits and horns, as they are both based on the Japanese legend of the Oni Ogres, who are also known to manipulate thunder and electric shocks.
They both have nearly the same exact appearance, minus the faces, hair length and colors.
TCG Rulings
Vengeful Servant: The effect of “Vengeful Servant” starts a chain when control of the monster switches. If a Continuous Effect would destroy the equipped monster first (example: an equipped “Thunder Nyan Nyan” switches sides and is destroyed immediately), then the effect of “Vengeful Servant
Previously Official Rulings
You may Summon "Thunder Nyan Nyan" even if you have non-LIGHT monsters on the field, but she will be destroyed.
You can have face-down non-LIGHT monsters on your side of the field, "Thunder Nyan Nyan" will not be destroyed by her own effect, but if one of these monsters is flipped face-up, she will be destroyed.
When you take control of an opponent's non-LIGHT monster, and you have "Thunder Nyan Nyan" on the field, she will be destroyed. If your opponent takes control of your "Thunder Nyan Nyan" and he / she controls a non-LIGHT monster, "Thunder Nyan Nyan" will be destroyed.
You can Special Summon "Thunder Nyan Nyan" with the effect of "Cyber Jar" but if you Summon another non-LIGHT monster face-up she will be destroyed.
"Thunder Nyan Nyan" can be destroyed by her own effect between steps in a chain. For example, the opponent targets your "Thunder Nyan Nyan" with "Snatch Steal". You chain "Call of the Haunted" to Special Summon "Dark Magician" from your Graveyard, a DARK monster. The chain resolves as follows: "Call of the Haunted" resolves, "Thunder Nyan Nyan" is destroyed because there is a DARK monster on the field, "Snatch Steal"s effect disappears because the target is no longer on the field.
If you have a face-up "Thunder Nyan Nyan" and your Set "Penguin Soldier" is attacked, when it is flipped face-up "Thunder Nyan Nyan" will be destroyed, before it can be targeted by the effect of "Penguin Soldier".
My Body as a Shield: you cannot use "My Body as a Shield" against cards whose effects will not destroy a monster right away, so you cannot use "My Body as a Shield" against "Thunder Nyan Nyan"
Prime Material Dragon: you cannot use "Prime Material Dragon's" effect against cards whose effects will not destroy a monster right away, so you cannot use "Prime Material Dragon" against "Thunder Nyan Nyan"