Two weeks after their heartwarming conversation, Momoa updated fans Sunday about a care package full of \"Aquaman\"-related goodies he arranged to have sent over to the young boy.

\"Wanted to share a picture of this amazing boy Danny Sheehan, Natalie his mom sent me this today,\" Momoa announced alongside a series of photos of Danny enjoying his new prized possessions. \"I wanted to say thanks to Andy Smith @sideshowcollectibles for putting some action figures and toys together for Danny and @wbpictures for sending over a Aquaman trident.\"

\"PHOTO:
Courtesy Natalie Shaw Sheehan
PHOTO: Danny Sheehan, who has been fighting a rare brain cancer since 2017, was recently surprised with "Aquaman" gifts and a call from the film's star, Jason Momoa.
>

\"Danny was speechless -- which, for one so talkative, was a true testament to how surprised he was -- when he received the box of 'Aquaman' goodies and the trident in the mail,\" Danny's mother, Natalie Sheehan, told \"Good Morning America\" in a statement.

\"My reaction was one of sheer delight, surprise and gratitude,\" her statement continued. \"Danny had a rough week last week, so it was great to see him so lively and excited. Jason is a real-life superhero.\"

Momoa also included a card referencing their adorable heart-to-heart, writing, \"Can't wait to ride on some dolphins with you Danny! Love, Uncle Aquaman.\"

\"PHOTO:
Courtesy Natalie Shaw Sheehan
PHOTO: Danny Sheehan, who has been fighting a rare brain cancer since 2017, was recently surprised with "Aquaman" gifts and a call from the film's star, Jason Momoa.
>

Danny's mother said her son has been in \"consistent treatment -- with no more than a week off\" since he was 4 years old.

She described her son as \"the purest definition of the word 'brave.'\"

\"In February, we were told he likely only had a few more weeks,\" Sheehan said. \"Now, this week, months later, we will be celebrating his 8th birthday. Four years of treatment, and never a day has gone by without a smile or giggle from him. I am so proud and blessed to be his mom.\"

\"PHOTO:
Courtesy Natalie Shaw Sheehan
PHOTO: Danny Sheehan, who has been fighting a rare brain cancer since 2017, was recently surprised with "Aquaman" gifts and a call from the film's star, Jason Momoa.
>

Danny, who turns 8 on Thursday, recently completed three weeks of daily radiation.

\"Because he’s tried all options of treatment currently available, we are waiting for news related to compassionate usage of a drug being trialed,\" his mother said.

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