Fun fact, China literally advertise its red theme as “blood of passed heros”. So communism do get its red from blood.
Google translated source (from an official .gov.cn site): https://www-mod-gov-cn.translate.goog/gfbw/jmsd/4851751.html?_x_tr_sch=http&_x_tr_sl=auto&_x_tr_tl=en&_x_tr_hl=en-US&_x_tr_pto=wapp
Quote in Chinese:
为什么说共和国是红色的?对于这个问题,每个人都可能问了数百遍,老师和家长们也早已给出了答案:那是因为共和国是用英烈的鲜血换来的,共和国的血脉里有英烈们的红色基因、红色传统。
Google tranlate:
Why is the Republic said to be red? Everyone may have asked this question hundreds of times, and teachers and parents have already given the answer: That is because the Republic was bought with the blood of heroes, and the blood of the Republic contains the red genes and red blood of the heroes. Tradition.
For some reason I always read hemoglobin as hemo-goblin. I watched Lord of the Rings too much.
There’s also Hemo-Goblin, the vampire who was created by a white supremacist group for ethnic cleansing in South Africa from The New Guardians.
There’s a reason the best remembered part of that series is Snowflame. He just did copius amounts of cocaine. Hemo-Goblin gave two characters AIDs.