|“||Haha, you didn't think I would miss this, dear chap. To Victory!||„|
|~ Sir Rothchild to Samurai Jack in Samurai Jack: Battle Through Time.|
Sir Colin Bartholomew Montgomery Rothchild III, simply known as Sir Rothchild, is one of Jack's allies and supporting characters in the Cartoon Network TV show Samurai Jack. He is also part of a group known as the Canine Archaeologists and introduced in the second episode of the series.
Like the rest of the Canine archaeologists group, Rothchild likes to study their past. Rothchild is an intelligent dog and is well mannered, but still retain habits from their ancestors, ordinary dogs, such riding a vehicle with their heads out the window and especially wagging their tails when happy.
Rothchild and some canines meet Samurai Jack at a bar for a drink. Rothchild and the canines tried to convince an alien to help them fight against Aku in order to free themselves of his grasp. The alien called them idiots and left and so they turned their attention to Jack, who had defeated a large number of aliens without taking a hit. Rothchild and the canines introduce themselves to Jack, and tell Jack they need his to free them from working in crystal mines without rest. Jack accepts and the group leaves, though they didn't realize that they were being watched by one of Aku's servants. The servant informed Aku and he sends an army of Beetle Drones to destroy Jack, Rothchild and the canines.
As they reach the excavation site, Jack, Rothschild and the rest of the Canine archaeologists learn that Aku is sending his forces to obliterate them at sunrise. Jack then comes up with a plan to stop the army, and with the help of Rothchild and the dogs, set up various traps and makes some weapons to fight the enemy. When the morning arrives, Jack takes the opportunity to head into action. By using the traps and his new weapons, Jack manages to wipe out a large number of drones as Rothchild and the dogs watch the entire fight from their hiding places. After defeating the beetle droid army, freeing the dogs and enabling them to continue their research. Rothchild and the rest of the group offer Jack a chance to go with them, but he refuses and goes on his way.
In Episode CI, Rothchild and his multiple grandchildren witness Aku's triumphant broadcast and immediately assault Aku's fortress with the rest of Jack's allies using their flying vehicles. Some of his grandchildren were taken down by Aku's corrupted forces, with Rothchild himself being shot down after being damaged by Aku's rain of spikes. It's unknown how the past Aku's destruction affect his existence and also the canine archaeologists.
Samurai Jack: Battle Through Time (Alternative Story)
In the video game, after numerous battles against through various robots, demons, and bounty hunters, Rothchild, The Scotsman, his daughters and Da Samurai aid Samurai Jack by fighting Aku's army and giving Jack the opportunity to face Aku.