Even so, ometimes players do mix me up with my partner. That happened several times in a recent game where I was hydraing with Kazekirimaru iirc. I found the reactions to stuff people were misattributing was helpful in reading them.
One of my favorite things about hydraing is the ubiquity of the following interaction when my hydra is town.
"Did ffery make that post?"
"Yes"
"
Vote fferyhydra
"