They were also featured in Once Upon a Time... Life... https://static.wikia.nocookie.net/once-upon-a-time-life/images/a/aa/Lymphocytes_t.png https://static.wiki

They were also featured in Once Upon a Time... Life... https://static.wikia.nocookie.net/once-upon-a-time-life/images/a/aa/Lymphocytes_t.png https://static.wikia.nocookie.net/once-upon-a-time-life/imag... (from https://once-upon-a-time-life.fandom.com/wiki/Lymphocytes https://once-upon-a-time-life.fandom.com/wiki/Lymphocytes)