ya. you can hunt a tuna or get from canned tuna. then blended it in milk/plain water.
do the sound taste horrible?
since you plan in bulk right? ok add with some peanut butter for better taste. maybe some eggs.

do you ever hear chicken breast juice? it same apply method as above.

oh, wait. i missed something. you actually can add creatine into the juice too. anyway, it is not troll. there are ppl doing this too.

chicken floss porridge (with alot of chicken flossssssss)

oh, how about other timing earlier or later than the 30m for drinking whey or mass? will it affected the absorption? or my muscles cant get the protein? pls enlighten me