basilisk
Explanation
The Joke
A man enters a building with a basilisk -- the mythological serpent whose gaze can kill -- and is stopped by someone who says "You can't have that basilisk in this store." The man claims it is "a service animal for my emotional well-being." The employee responds that "the only permitted service mammals are dogs and tiny horses." The man points out an important loophole: "Snakes are not mammals." We then see warning signs about the basilisk, including "Snakes kill: varies within habitat/eating habits/sample." In the final panel, labeled "Later," someone is shown turned to stone (or dead from the basilisk's gaze) but remarks, "You know, safety issues aside, but this is great."
The comic combines two cultural touchpoints: the ongoing debate about emotional support animals and service animals in public spaces, and the mythological basilisk. The man exploits a technicality -- the rules only restrict service "mammals" -- to bring in a deadly reptile. The fact that the basilisk is lethal to everyone around it is presented as a minor inconvenience compared to the man's emotional well-being needs.
The Humor
The humor comes from the collision of modern bureaucratic accommodation culture with ancient mythological horror. The basilisk -- a creature that literally kills people by looking at them -- is treated with the same procedural debate as someone bringing a chihuahua into a restaurant. The employee's objection is not "that creature kills people" but rather a technicality about permitted animal types, and the man's counter-argument is equally procedural. The final panel, where a victim acknowledges the "safety issues" but still concedes it is "great," perfectly captures the absurd politeness with which people navigate these confrontations in real life.
References
In Greek mythology, the basilisk is a serpent king whose gaze or breath can cause death. The comic also references the Americans with Disabilities Act (ADA) provisions for service animals, which in the United States are indeed limited to dogs and miniature horses.