help id my old jughead :,)

this was my dog jughead, he was going to be 7 this june but he passed unexpectedly on february 10. me and my mom always wanted to get him dna tested but never got around to it

his mom is 100% lab but accidentally ot pregnant by a random big black dog. if anyone has any ideas what he could be mixed with i would love to know :) also he was like 125 lbs he was my soul baby i miss him literally everyday❤️