Here is a video showing the top 10 most subscribed Spanish speaking YouTube channels since 2009. Who can dethrone El Reino Infantil? Germán Garmendia is still the largest Spanish YouTubers but eventually not for long as others catch up.
Music:    • IZECOLD  Close (feat. Molly Ann) [Br...  
IZECOLD Close (feat. Molly Ann) [Brooks Remix] | Future House | NCS Copyright Free Music x FHM
Data collected from Socialblade
Data Archive: Wayback Machine
Data Visualization: Alien Art Charts
Recorded with OBS