It is clear that this comic is heavily inspired by Poorly Planned Comics.
Strip 3, Figure 1:
Poorly Planned Comics. External strip # 195.
Riehl, Emily. Category Theory in Context. 2014, p. 53, p. 186.
Leinster, Tom. Basic Catrgory Theory. 2016, p. 152, p. 42.
Strip 4
Albert, Augustin; Dubut, Jérémy; Goubault, Eric. Homological Algebra in Abelian Framed Bicategories: Exact Sequences and Embedding Theorems. arXiv:2602.04425.
(Thumbnail of) https://www.youtube.com/watch?v=hYYzs8Xc97I.
Strip 9
Murphy, Tom VII. Some upsetting things about shapes. p. 13.
Poorly Planned Comics. External strip # 31.

Of course, thank fate.