A roommate of mine in college could climb like that, he had a board bolted over the doorway to his room that had holds all over it for exercising and practicing and if one thought they were a badass ‘cause they could do X amount of pull-ups you merely had to watch him on that board with 2 fingers in a slot doing them 1 armed to be humbled.
Someone reported our house as having a chimney fire one night when some sparks came out. When the fire department arrived and we came out on the front porch to see what was up Dan ran over and scaled the 2 story chimney via the chinks in the brick mortar in about 10 seconds while they were preparing the laddder and looked down and said “nope, no fire” as they were picking their jaws off the ground :-)