I don't believe there's a patron saint for rats, however St. Francis of Assisi is the patron saint of animals.
There is no patron saint of rats but there are patrons for protection against rats:Gertrude of Nivelles
Martin of Porres
Servatus of Tongres
There are patron saints of the following but no patron saint of fear:fear of insects, againstfear of mice, againstfear of night, againstfear of rats, againstfear of snakes, againstfear of the Lord, forfear of wasps, against
The Patron Saint Inex lists no patron saints of bears.
A patron saint is supposed to be a protector in the Catholic religion. Patron Saint Angelico is the patron saint of artists. A patron saint is a protector of life.
The Patron Saint Index lists no patron saint of dinosaurs.
As per the Patron Saint Index, there is no patron saint of wrestlers. However, Saint Sebastian is the patron saint of all athletics and athletes.
Saint Lillian is not a patron saint as per the Patron Saint Index.
No, there is no patron saint of billiards.
There is a patron saint of Wales but no patron saint of whales.
There is no patron saint of color.
There is no patron saint of voting.
There is no patron saint of red heads as per the Patron Saint Index.
As per the Patron Saint Index, Saint Cedd is not a patron saint at this time.