The relationship appeared at least once before Heidi Turner's later development as a character, but was never a central pairing, and was a Crack Pairing at the time.
When Heidi became a key character over the course of the show's twentieth season, and began a relationship with Eric Cartman some fans speculated on social media that perhaps she would be more fitting in a relationship with Kyle, as both were intelligent characters who seemed weighed down by Cartman.
In "Doubling Down", Heidi breaks up with Eric Cartman to be with Kyle, who convinced himself that he liked her. However, after the girls ridiculed her for being with Cartman in the first place, she reconciles with Cartman and is manipulated by him into basically calling Kyle a "dirty Jew".
This pairing has received a lot of support due to the toxicity of Heiman, with some fans going so far as to say that Kyle and Heidi deserve each other. However, because of Heidi's mistreatment of Kyle in "Moss Piglets" and "Super Hard PCness", fans are now recanting their statements on this pairing.
|Bed | Betters | Brendy | Bribe | Buttus | Candy | Cartbe | Cartenny | Catty | Clisa | Clybe | Cred | Crendy | Crizzy | Grendy | Heiman | Henerkle | Henriel | Ivenson | Kannie | Katince | Kebe | Kelley | Kenally | Kendy | Kevlly | Killie | Kybe | Kybecca | Kydi | Kyndy | Lianed | Liartman | Loken | Lolutters | Macksondik | Mactoria | McDanbrady | Mutters | Nichyle | Philerine | Pindy | Pipella | Ran | Reboken | Revin | Rip | Roken | Sheopold | Sherry | Shyle | Sip | Slavendy | Stabe | Stanrietta | Steidi | Stendy | Tannie | Tenny | Tokendy | Tokole | Twebe | Twebecca | Twendy | Wetters|
|Big Gay Slave | Buttus | Candy | Catty | Clisa | Clybe | Creek | Garrislave | Grendy | Heiman | Ivenson | Katince | Kelley | Kybe | Kybecca | Kydi | Macksondik | Nichyle | Philerine | Pipella | Revin | Stendy | Tenny | Tokendy | Tokole|