This is my idea for what is going on in the world of Salad Fingers.
The Wake-Up Call refers to the end of Episode 5.
Salad Fingers is, in my opinion, transgender (biologically female). This explains having a teat and apparently having been a bride (before he came out). This also explains why he wasn't in the army; transgender people are often discharged even today. He is often referred to as "Mr. Fingers", reflecting his chosen gender, and refers to himself as Kenneth's older brother. I am NOT trying to connect this to his psychosis.
Fingers knows, somewhere in the back of his mind, that this is all a hallucination. This is shattered by the Wake-Up Call, when he truly realizes that this is reality. Confusingly, he actually does have hallucinati…
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