The defender hopes he performed well enough during his loan spell to win over the supporters.
"The fans seemed to take to me so hopefully I must have done something right," he added. "They play a huge part, a football club is nothing without its supporters and that played a part in my decision, no question."
McDermott believes Griffin's is exactly the sort of player that his side needs.
"We're getting so much experience, a guy who has been captain of a team who won this league. He knows what is required over 46 games," he said.
"When games are getting hot he has the extra touch, he gives us that composure and he's going to remain very, very popular."
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