GuessAnime.

3. Seizei Ganbare! Mahou Shoujo Kurumi

The anime centers around Kurumi Azuchimomoyama, a normal 14-year-old girl who attends Egaogaoka Middle School. One day, an angel named "Devilun" that looks like a Tasmanian devil appears before her, and grants her the power to be the beautiful magical girl dinosaur angel warrior "Prima Angel," and tells her to fight the evil "Darkness Whales" organization. She proceeds to indiscriminately take out Darkness Whales members with weapons that stink of blood. The protagonists are three boy classmates of Kurumi who watch the entire thing while not really doing anything.

Seizei Ganbare! Mahou Shoujo Kurumi is finished and has 25 Episodes. It is also Known as: せいぜいがんばれ！魔法少女くるみ　, Seizei Ganbare! Mahou Shoujo Kurumi

2. Bokusatsu Tenshi Dokuro-chan

In the future, a junior high student, Kusakabe Sakura, will offend God by inventing immortality so that women will stop aging after they turn twelve. Dokuro-chan is an angel from the future sent to kill him. However, Dokuro-chan thinks that Sakura can be spared, so her idea is to constantly occupy Sakura so that he will never be able to invent the technology. Sometimes the angel will go crazy and kill him with her bat, Excalibolg, but she can revive him easily. "Pi-piru-piru-piru-pi-piru-pi!"

Bludgeoning Angel Dokuro-chan is finished and has 4 Episodes. It is also Known as: 撲殺天使ドクロちゃん, Club-To-Death Angel Dokuro-chan

1. Haiyore! Nyaruko-san

Mahiro Yasaka is just an ordinary high school student, until one day he is suddenly attacked by a dangerous monster. Just when everything seems to be lost, he is saved by a silver-haired girl named Nyaruko, who claims to be the shape-shifting deity Nyarlathotep from horror author H. P. Lovecraft's Cthulhu Mythos, sent by the Space Defense Agency to Earth. She explains to Mahiro that the creature chasing him was an alien called Nightgaunt, who had planned on abducting and selling him as a slave.

After rescuing him from the alien, the Lovecraftian deity falls madly in love with Mahiro and forces herself into his household, much to his chagrin. Moreover, they are soon joined by two others from the fictional universe: Cthuko, a girl obsessed with Nyaruko, and Hasuta, a young boy easily mistaken for a beautiful female. Together, the three eccentric aliens protect Mahiro from the various extraterrestrial dangers that threaten both his and Earth's well-being, all the while making his life a living hell.

Nyaruko: Crawling With Love! is finished and has 12 Episodes. It is also Known as: 這いよれ！ニャル子さん, Nyarko-san: Another Crawling Chaos, Haiyoru! Nyaruko-san