He signed his name "Fibonacci Bigollo" which can translate into "Fibonacci the Blockhead". Some say it was just a nickname. Others say he took great pleasure in signing his name as Blockhead to demonstrate what a "blockhead" could do with this number system.

If you mean 'The Blockheads' , the two are mischievous characters from 'Gumby' . There is also a webcomic by Michael Swain titled 'Blockhead' .

Charlie Brown was regularly called a blockhead by the other characters of Peanuts

The most used insult in Charlie Brown has to be "Blockhead" or "You, blockhead!!"

Downtown Science - Blockhead album - was created on 2005-10-18.

there is no such thing as blockhead. you can't just make up random words and expect them to be translated to japanese.