Abraham was old
Jacob was insecure
Leah was unattractive
Joseph was abused
Moses stuttered
Gideon was poor
Samson was codependent
Rahab was immoral
David had an affair with another man’s wife and later killed her husband
Elijah was suicidal
Jeremiah was depressed
Jonah was reluctant
Naomi was a widow
John the baptist was eccentric to say the least
Peter was impulsive and hot-tempered
Martha worried a lot
The Samaritan woman had several failed marriages
Zaccheus was unpopular
Thomas had doubts
Paul had poor health
Timothy was timid

Quite a variety of misfits.
In spite of all that, God still used them.