Is the "Jesus" in the Gospels the Same "Jesus" Who was Born to Mary?

Alternatively titled: What if the character called "Jesus" in the Gospels is different (in some ways) from the Jesus of literal history?

An Understandable Hesitancy

For the first 25 years or so of my life I believed/assumed that Christ was Jesus’ last name. Maybe not exactly his last name per se, but more or less part-of or synonymous-…