Hellsing and Hellsing Ultimate are both Japanese manga and anime series created by Kouta Hirano. They follow the story of the Hellsing Organization, a secret group in England that fights against supernatural threats, particularly vampires. Hellsing was the original anime adaptation that aired in 2001, while Hellsing Ultimate is a more faithful adaptation that closely follows the manga and was released as a series of OVAs (original video animations) from 2006 to 2012. Both series are known for their dark and violent themes, as well as their complex characters and intense action sequences. **

"Hellsing" is the original manga series written and illustrated by Kouta Hirano, which was serialized from 1997 to 2008. "Hellsing: The Dawn" is a prequel to the original series, focusing on the character Walter C. Dornez. "Hellsing: New Edition" is a revised version of the original manga, with improved artwork and some additional content. Overall, the main difference between the three is that "Hellsing" is the original series, "Hellsing: The Dawn" is a prequel, and "Hellsing: New Edition" is a revised version of the original series. **

It is generally recommended to watch "Hellsing" first before watching "Hellsing Ultimate." "Hellsing" is the original anime adaptation of the manga, while "Hellsing Ultimate" is a more faithful adaptation that follows the manga more closely. Watching "Hellsing" first can provide you with a good introduction to the story and characters before delving into the more detailed and action-packed "Hellsing Ultimate." **

It ultimately depends on personal preference as both series have their own strengths. "Hellsing" is the original adaptation that aired in 2001 and has a unique art style and soundtrack that some fans appreciate. On the other hand, "Hellsing Ultimate 2" is a more faithful adaptation of the manga with updated animation and a more cohesive storyline. Fans of the manga may prefer "Hellsing Ultimate 2" for its closer adherence to the source material, while others may enjoy the original "Hellsing" for its distinct style. **

It is generally recommended to watch "Hellsing" first before moving on to "Hellsing Ultimate." This is because "Hellsing" was released first and provides an introduction to the characters and the world of the series. "Hellsing Ultimate" is a more faithful adaptation of the original manga and offers a more detailed and complete storyline. Watching "Hellsing" first can help viewers better appreciate the improvements and differences in "Hellsing Ultimate." **

It ultimately depends on personal preference. "Hellsing" is the original anime adaptation of the manga, while "Hellsing Ultimate 3" is part of the OVA series that closely follows the source material. Some fans prefer the original series for its unique style and character development, while others prefer "Hellsing Ultimate 3" for its more faithful adaptation and higher production quality. Both have their own strengths and appeal to different audiences. **

Hellsing is an anime series that aired from 2001 to 2002, while Hellsing Ultimate is an OVA (original video animation) series that was released from 2006 to 2012. Hellsing Ultimate follows the original manga more closely and has a darker and more violent tone compared to the original Hellsing series. Additionally, Hellsing Ultimate has higher production values and a longer runtime, allowing for a more in-depth exploration of the story and characters. **

Yes, you can watch Hellsing Ultimate without having seen Hellsing. Hellsing Ultimate is a reimagining of the original Hellsing series, with updated animation and a closer adaptation of the original manga. While watching the original series may provide some additional context and background information, it is not necessary to understand and enjoy Hellsing Ultimate. The story and characters are introduced in a way that allows new viewers to follow along without prior knowledge of the original series. **