Douglas City Council has selected its mayor for the forthcoming 2025-26 municipal year.
A councillor for Douglas South, he was first elected to the local authority in 2021 before being re-elected last month.
Mr Crellin replaces Natalie Byron-Teare who has held the role for the last two years.
One of Mrs Byron-Teare’s last functions in the office was to preside at the city’s VE Day commemorations on Thursday.