|Real Name:||Leonard Cassano|
|Current Location:||Honolulu, Hawaii|
|Appeared:||Ka Hana Malu|
Leonard Cassano is the husband of Debora McGarrett, Steve McGarrett and Mary McGarrett's aunt. They were married in Hawaii. After their marriage, they created a bucket list of things they wanted to do before they died. Unfortunately, Leonard died before the list was complete. Shortly before his wife's death, she completed the list in his memory.