Characters	Height	Age
Long / Long Zhu	~ 20ft / ~ 5ft 8in	Ageless / ~40
Li Na Wang	~ 5ft 4in	~19
Din Song	~ 5ft 8in	19

ANALYSIS OF WISH DRAGON CHARACTERS’ HEIGHTS

We estimated the heights of the characters based on the show pictures, how they stand beside each other, and the average height of people their age.

According to Global Times, Chinese females 18 years old above are of the average height of 5 feet and 4 inches. So, we estimated Li Na Wang to be about this height.

Then, from the same source, adult male Chinese are of the average height of 5 feet and 8 inches. Based on this picture of Long Zhu and Din Song, they stand at about the same height. So, we estimated them both to be about 5 feet and 8 inches.

Lastly, Long as a dragon is at least three Din Songs in height at an estimated height of at least 20 feet tall.

ANALYSIS OF WISH DRAGON CHARACTERS’ AGES

According to Common Sense Media, Din Song is 19 years old.

Knowing that Li Na Wang and Din Song are childhood friends and are both in college, we estimated Li Na’s age to be 19 years old.

Lastly, according to Wish Dragon Fandom Wiki, Long is ageless as a dragon, but he is a middle-aged man when he changes into his human form. According to Academic, middle-aged is defined as between 36 to 55 years old. So, we estimated Long Zhu to be in the middle of the range at about 40 years old.

Reference:

https://www.netflix.com/title/81153694

https://www.imdb.com/title/tt5562070/

https://sonypicturesanimation.fandom.com/wiki/Wish_Dragon

https://netflix.fandom.com/wiki/Wish_Dragon

https://hero.fandom.com/wiki/Long_(Wish_Dragon)

https://en.wikipedia.org/wiki/Wish_Dragon

https://sonypicturesanimation.fandom.com/wiki/Li_Na_Wang

https://sonypicturesanimation.fandom.com/wiki/Din_Song

https://www.globaltimes.cn/page/202110/1235772.shtml#:~:text=The%20report%20says%20the%20average,height%20with%20the%20younger%20generations

https://www.imdb.com/title/tt5562070/mediaviewer/rm1912139777/

https://academic.oup.com/gerontologist/article/42/1/92/641498