Obi-Wan Kenobi fighting Indiana Jones
Obi-Wan Kenobi was the master to Luke Skywalker. He was in LEGO Star Wars. Indiana Jones was on A Star Wars game, so Obi-Wan has a refrence here.
In Lego Indiana Jones
He is not in the game, but his name is refered to in the Shanghai showdown level as the name of Club Obi Wan. He can be build in the character creator at the Art Room.