He is a mean and greedy man who often does business with the Romans. Appears in Asterix and the Cauldron when he tries to trick the Gauls into paying his taxes for him, though by the end he has lost the money he regained.
This is normal. Your credit score could change daily depending on how often your credit report is updated. Your creditors and lenders are continuously making updates to your credit report throughout the month. Each time you check your credit score, it's recalculated based on the information in your credit report.
They only update 3or 4 times per year, and credit karma is linked with their site. Credit sesame is linked to experian which I believe updates weekly, and same with equifax which is linked with Fico (weekly). I am no expert however I have had my score go up about 150 this year monitoring with those three sites daily.