>>283177426
>Shanks
He probably learned about Imu's existence through Garling later but yes, of course. His whole plan to groom Luffy is for taking down Imu.
>Linlin
>Kaido
They made an alliance together for getting the Ancient Weapons together and conquering the world. Of course, they knew what they were facing in Mary Geoise.
>Newgate
Most probably the last one that really cared about that, he just wanted to chill with his boys.