TBO was a long-running Spanish comic book

Comic book

A comic book or comicbook is a magazine made up of comics, narrative artwork in the form of separate panels that represent individual scenes, often accompanied by dialog as well as including...

 magazine, published in Barcelona

Barcelona

Barcelona is the second largest city in Spain after Madrid, and the capital of Catalonia, with a population of 1,621,537 within its administrative limits on a land area of...

 between 1917 and 1998.

TBO is pronounced in Spanish

Spanish language

Spanish , also known as Castilian , is a Romance language in the Ibero-Romance group that evolved from several languages and dialects in central-northern Iberia around the 9th century and gradually spread with the expansion of the Kingdom of Castile into central and southern Iberia during the...

 almost the same as "te veo", "I see you". It was so popular that tebeo is now a generic word for "comic book" in Spain.

TBO was far from modern influences in seventies when European comics

European comics

European comics is a generalized terms for comics produced in Continental Europe. Though technically European, British comics are for historical and cultural reasons considered separate from European comics due to the existence of a well-established domestic market and traditions which more closely...

 started to influence Spanish comic magazines. It kept its own style with short stories and ingenuous humour.

Series that appeared include:

• Altamiro de la Cueva
  Altamiro de la Cueva
  Altamiro de la Cueva is a Spanish fictional character and a comic series created in 1965 byJoan Bernet Toledano and Carles Bech for a Spanish comic magazine, TBO. These stories feature funny adventures of a bunch of prehistoric cavemen...
  
  
• Top, a dog comics series drawn by José Cabrero Arnal
  José Cabrero Arnal
  José Cabrero Arnal or C. Arnal was a Catalan-Spanish cartoonist, who became a naturalized French citizen....
  
  
• The Smurfs
  The Smurfs (comics)
  The Smurfs are a Belgian comic series, created by cartoonist Peyo . The fictional characters of the Smurfs first appeared in Johan and Peewit in 1958, and the first independent Smurf comics appeared in 1959. Twenty-nine Smurf comic albums have been created, 16 of them by Peyo...
  
  , as Los tebeítos. When Bruguera
  Editorial Bruguera
  Bruguera was a Spanish publishing house based in Barcelona, which was devoted mainly to the production of popular literature and comics. It was created in 1910 as El Gato Negro, changed its name in 1940 and came to possess, as indicated by Jesús Cuadrado:...
  
   acquired the publishing rights, they were named Los pitufos.
• Los grandes inventos del TBO, presentados por el profesor Franz de Copenhague, intricate machines reminding of Rube Goldberg machine
  Rube Goldberg machine
  A Rube Goldberg machine, contraption, device, or apparatus is a deliberately over-engineered or overdone machine that performs a very simple task in a very complex fashion, usually including a chain reaction...
  
  s.
• Eustaquio Morcillón
• La familia Ulises