thomas the tank engine
A popular British children's show based on The Railway Series books by Rev. Wilbert Awdry and his son Christopher Awdry, first published in 1945. In the mid-1980s, the series was adapted as a TV Series using model trains, but then animated with CGI starting in 2009 and lasting until 2021.
Became a recurring meme after its inclusion into MLG in 2014.