JOHN'S TUMBLR
https://fishingboatprocceeds.tumblr.com/

HANK'S TUMBLR
https://edwardspoonhands.tumblr.com/

HANK GREEN OUT OF CONTEXT
https://hankgreenoutofcontext.tumblr.com/

HANKLERFISH COMIC
https://hanklerfishcomic.tumblr.com/ 

NERDFIGHTER ART
https://nerdfighter-art.tumblr.com/

EFF YEAH NERDFIGHTERS
The part-fan part-Complexly run Tumblr account, used mostly for Nerdfighter news. Run by the Catitude group. http://effyeahnerdfighters.com/