I looked at 2 clown episodes in the Supernatural series and they contain all the elements about clown we had already identified.
Stingers, hydras, copper, sharks, white horses
Rump, vseen, Lincoln, Ouchy Rump

Squid
https://www.amnh.org/shelf-life/giant-squid
https://www.futurity.org/hydra-muscles-aging-1821632-2/
Biden and Trump Killer clowns in Supernatural episodes
Biden and Trump and Obama and Bush clowns
https://static.wikia.nocookie.net/supernatural/images/2/2f/Pluckyclowns.png/revision/latest?cb=20120522133915
https://images2.minutemediacdn.com/image/fetch/w_736,h_485,c_fill,g_auto,f_auto/https%3A%2F%2Fhiddenremote.com%2Ffiles%2Fimage-exchange%2F2017%2F07%2Fie_32648.jpeg
https://m.media-amazon.com/images/M/MV5BMTM3NDU4NTU1Ml5BMl5BanBnXkFtZTcwNzkzNTgzNw@@._V1_.jpg
https://tv-fanatic-res.cloudinary.com/iu/s--psJ5ovpy--/t_full/cs_srgb,f_auto,fl_strip_profile.lossy,q_auto:420/v1371226443/clowning-around.png
https://imgur.com/ySbkhaR
https://1.bp.blogspot.com/-sHg_xK_VAo8/V46UFMDed_I/AAAAAAAAKJg/KANEuYZmODsS7I4vqI2uytvDbBW1NIjMQCLcB/s1600/p6.png
https://en.wikipedia.org/wiki/Calliope_(music)
The demon behind the clown
https://supernatural.fandom.com/wiki/Rakshasa
https://www.britannica.com/topic/rakshasa
Apollo and Clowns
https://id14withmamquevedo.wordpress.com/2012/03/12/apollo-and-daphne-love-in-vain/
https://www.britishmuseum.org/collection/object/P_1865-1111-2669

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https://youtu.be/OoJPsC6vMmw
https://www.youtube.com/channel/UCxgB6grGSx3bcB3vlcy7Tfg