TIL that Mattel sued the band Aqua over the use of Barbie in their hit single 'Barbie Girl'. The judge ultimately concluded his ruling by saying: "The parties are advised to chill."

https://en.wikipedia.org/wiki/Mattel,_Inc._v._MCA_Records,_Inc

https://www.reddit.com/r/todayilearned/comments/155w0rw/til_that_mattel_sued_the_band_aqua_over_the_use/