LoRA for hypnotic Kaa eyes as well as a smiley, hypnotized expression. Use trigger words: kaa eyes, goofy smile. For snake shennanigans, use the trigger words snake, wrapped in snake coils, snake head.
The LoRA may occasionally generate snakes even without prompting due to the high number of snake related imagery used for training. Just add the snake related trigger words to the negative prompts in order to avoid this.