Which character is known for their love of Muggle technology and their role as the Hogwarts caretaker?
Argus Filch.
<s>[INST] <<SYS>> Answer as briefly as you can to the following question. You are required to give a one-shot answer: <</SYS>> Which character is known for their love of Muggle technology and their role as the Hogwarts caretaker? [/INST] Argus Filch. </s>